280172100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 216

約数和(自身を含む): 925982400

約数和(自身を除く): 645810300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 130, 150, 156, 190, 195, 199, 228, 247, 260, 285, 300, 325, 361, 380, 390, 398, 475, 494, 570, 597, 650, 722, 741, 780, 796, 950, 975, 988, 995, 1083, 1140, 1194, 1235, 1300, 1425, 1444, 1482, 1805, 1900, 1950, 1990, 2166, 2388, 2470, 2587, 2850, 2964, 2985, 3610, 3705, 3781, 3900, 3980, 4332, 4693, 4940, 4975, 5174, 5415, 5700, 5970, 6175, 7220, 7410, 7562, 7761, 9025, 9386, 9950, 10348, 10830, 11343, 11940, 12350, 12935, 14079, 14820, 14925, 15124, 15522, 18050, 18525, 18772, 18905, 19900, 21660, 22686, 23465, 24700, 25870, 27075, 28158, 29850, 31044, 36100, 37050, 37810, 38805, 45372, 46930, 49153, 51740, 54150, 56316, 56715, 59700, 64675, 70395, 71839, 74100, 75620, 77610, 93860, 94525, 98306, 108300, 113430, 117325, 129350, 140790, 143678, 147459, 155220, 189050, 194025, 196612, 215517, 226860, 234650, 245765, 258700, 281580, 283575, 287356, 294918, 351975, 359195, 378100, 388050, 431034, 469300, 491530, 567150, 589836, 703950, 718390, 737295, 776100, 862068, 933907, 983060, 1077585, 1134300, 1228825, 1407900, 1436780, 1474590, 1795975, 1867814, 2155170, 2457650, 2801721, 2949180, 3591950, 3686475, 3735628, 4310340, 4669535, 4915300, 5387925, 5603442, 7183900, 7372950, 9339070, 10775850, 11206884, 14008605, 14745900, 18678140, 21551700, 23347675, 28017210, 46695350, 56034420, 70043025, 93390700, 140086050, 280172100]

約数ペア:

[(1, 280172100), (2, 140086050), (3, 93390700), (4, 70043025), (5, 56034420), (6, 46695350), (10, 28017210), (12, 23347675), (13, 21551700), (15, 18678140), (19, 14745900), (20, 14008605), (25, 11206884), (26, 10775850), (30, 9339070), (38, 7372950), (39, 7183900), (50, 5603442), (52, 5387925), (57, 4915300), (60, 4669535), (65, 4310340), (75, 3735628), (76, 3686475), (78, 3591950), (95, 2949180), (100, 2801721), (114, 2457650), (130, 2155170), (150, 1867814), (156, 1795975), (190, 1474590), (195, 1436780), (199, 1407900), (228, 1228825), (247, 1134300), (260, 1077585), (285, 983060), (300, 933907), (325, 862068), (361, 776100), (380, 737295), (390, 718390), (398, 703950), (475, 589836), (494, 567150), (570, 491530), (597, 469300), (650, 431034), (722, 388050), (741, 378100), (780, 359195), (796, 351975), (950, 294918), (975, 287356), (988, 283575), (995, 281580), (1083, 258700), (1140, 245765), (1194, 234650), (1235, 226860), (1300, 215517), (1425, 196612), (1444, 194025), (1482, 189050), (1805, 155220), (1900, 147459), (1950, 143678), (1990, 140790), (2166, 129350), (2388, 117325), (2470, 113430), (2587, 108300), (2850, 98306), (2964, 94525), (2985, 93860), (3610, 77610), (3705, 75620), (3781, 74100), (3900, 71839), (3980, 70395), (4332, 64675), (4693, 59700), (4940, 56715), (4975, 56316), (5174, 54150), (5415, 51740), (5700, 49153), (5970, 46930), (6175, 45372), (7220, 38805), (7410, 37810), (7562, 37050), (7761, 36100), (9025, 31044), (9386, 29850), (9950, 28158), (10348, 27075), (10830, 25870), (11343, 24700), (11940, 23465), (12350, 22686), (12935, 21660), (14079, 19900), (14820, 18905), (14925, 18772), (15124, 18525), (15522, 18050)]