402772020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 192

約数和(自身を含む): 1333248000

約数和(自身を除く): 930475980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 79, 84, 105, 122, 140, 158, 183, 199, 210, 237, 244, 305, 316, 366, 395, 398, 420, 427, 474, 553, 597, 610, 732, 790, 796, 854, 915, 948, 995, 1106, 1185, 1194, 1220, 1281, 1393, 1580, 1659, 1708, 1830, 1990, 2135, 2212, 2370, 2388, 2562, 2765, 2786, 2985, 3318, 3660, 3980, 4179, 4270, 4740, 4819, 5124, 5530, 5572, 5970, 6405, 6636, 6965, 8295, 8358, 8540, 9638, 11060, 11940, 12139, 12810, 13930, 14457, 15721, 16590, 16716, 19276, 20895, 24095, 24278, 25620, 27860, 28914, 31442, 33180, 33733, 36417, 41790, 47163, 48190, 48556, 57828, 60695, 62884, 67466, 72285, 72834, 78605, 83580, 84973, 94326, 96380, 101199, 110047, 121390, 134932, 144570, 145668, 157210, 168665, 169946, 182085, 188652, 202398, 220094, 235815, 242780, 254919, 289140, 314420, 330141, 337330, 339892, 364170, 404796, 424865, 440188, 471630, 505995, 509838, 550235, 660282, 674660, 728340, 849730, 943260, 958981, 1011990, 1019676, 1100470, 1274595, 1320564, 1650705, 1699460, 1917962, 2023980, 2200940, 2549190, 2876943, 3301410, 3835924, 4794905, 5098380, 5753886, 6602820, 6712867, 9589810, 11507772, 13425734, 14384715, 19179620, 20138601, 26851468, 28769430, 33564335, 40277202, 57538860, 67128670, 80554404, 100693005, 134257340, 201386010, 402772020]

約数ペア:

[(1, 402772020), (2, 201386010), (3, 134257340), (4, 100693005), (5, 80554404), (6, 67128670), (7, 57538860), (10, 40277202), (12, 33564335), (14, 28769430), (15, 26851468), (20, 20138601), (21, 19179620), (28, 14384715), (30, 13425734), (35, 11507772), (42, 9589810), (60, 6712867), (61, 6602820), (70, 5753886), (79, 5098380), (84, 4794905), (105, 3835924), (122, 3301410), (140, 2876943), (158, 2549190), (183, 2200940), (199, 2023980), (210, 1917962), (237, 1699460), (244, 1650705), (305, 1320564), (316, 1274595), (366, 1100470), (395, 1019676), (398, 1011990), (420, 958981), (427, 943260), (474, 849730), (553, 728340), (597, 674660), (610, 660282), (732, 550235), (790, 509838), (796, 505995), (854, 471630), (915, 440188), (948, 424865), (995, 404796), (1106, 364170), (1185, 339892), (1194, 337330), (1220, 330141), (1281, 314420), (1393, 289140), (1580, 254919), (1659, 242780), (1708, 235815), (1830, 220094), (1990, 202398), (2135, 188652), (2212, 182085), (2370, 169946), (2388, 168665), (2562, 157210), (2765, 145668), (2786, 144570), (2985, 134932), (3318, 121390), (3660, 110047), (3980, 101199), (4179, 96380), (4270, 94326), (4740, 84973), (4819, 83580), (5124, 78605), (5530, 72834), (5572, 72285), (5970, 67466), (6405, 62884), (6636, 60695), (6965, 57828), (8295, 48556), (8358, 48190), (8540, 47163), (9638, 41790), (11060, 36417), (11940, 33733), (12139, 33180), (12810, 31442), (13930, 28914), (14457, 27860), (15721, 25620), (16590, 24278), (16716, 24095), (19276, 20895)]