49897980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 174283200

約数和(自身を除く): 124385220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 79, 87, 90, 99, 110, 116, 121, 132, 145, 158, 165, 174, 180, 198, 220, 237, 242, 261, 290, 316, 319, 330, 348, 363, 395, 396, 435, 474, 484, 495, 522, 580, 605, 638, 660, 711, 726, 790, 869, 870, 948, 957, 990, 1044, 1089, 1185, 1210, 1276, 1305, 1422, 1452, 1580, 1595, 1738, 1740, 1815, 1914, 1980, 2178, 2291, 2370, 2420, 2607, 2610, 2844, 2871, 3190, 3476, 3509, 3555, 3630, 3828, 4345, 4356, 4582, 4740, 4785, 5214, 5220, 5445, 5742, 6380, 6873, 7018, 7110, 7260, 7821, 8690, 9164, 9559, 9570, 10428, 10527, 10890, 11455, 11484, 13035, 13746, 14036, 14220, 14355, 15642, 17380, 17545, 19118, 19140, 20619, 21054, 21780, 22910, 25201, 26070, 27492, 28677, 28710, 31284, 31581, 34365, 35090, 38236, 39105, 41238, 42108, 45820, 47795, 50402, 52140, 52635, 57354, 57420, 63162, 68730, 70180, 75603, 78210, 82476, 86031, 95590, 100804, 103095, 105270, 114708, 126005, 126324, 137460, 143385, 151206, 156420, 157905, 172062, 191180, 206190, 210540, 226809, 252010, 277211, 286770, 302412, 315810, 344124, 378015, 412380, 430155, 453618, 504020, 554422, 573540, 631620, 756030, 831633, 860310, 907236, 1108844, 1134045, 1386055, 1512060, 1663266, 1720620, 2268090, 2494899, 2772110, 3326532, 4158165, 4536180, 4989798, 5544220, 8316330, 9979596, 12474495, 16632660, 24948990, 49897980]

約数ペア:

[(1, 49897980), (2, 24948990), (3, 16632660), (4, 12474495), (5, 9979596), (6, 8316330), (9, 5544220), (10, 4989798), (11, 4536180), (12, 4158165), (15, 3326532), (18, 2772110), (20, 2494899), (22, 2268090), (29, 1720620), (30, 1663266), (33, 1512060), (36, 1386055), (44, 1134045), (45, 1108844), (55, 907236), (58, 860310), (60, 831633), (66, 756030), (79, 631620), (87, 573540), (90, 554422), (99, 504020), (110, 453618), (116, 430155), (121, 412380), (132, 378015), (145, 344124), (158, 315810), (165, 302412), (174, 286770), (180, 277211), (198, 252010), (220, 226809), (237, 210540), (242, 206190), (261, 191180), (290, 172062), (316, 157905), (319, 156420), (330, 151206), (348, 143385), (363, 137460), (395, 126324), (396, 126005), (435, 114708), (474, 105270), (484, 103095), (495, 100804), (522, 95590), (580, 86031), (605, 82476), (638, 78210), (660, 75603), (711, 70180), (726, 68730), (790, 63162), (869, 57420), (870, 57354), (948, 52635), (957, 52140), (990, 50402), (1044, 47795), (1089, 45820), (1185, 42108), (1210, 41238), (1276, 39105), (1305, 38236), (1422, 35090), (1452, 34365), (1580, 31581), (1595, 31284), (1738, 28710), (1740, 28677), (1815, 27492), (1914, 26070), (1980, 25201), (2178, 22910), (2291, 21780), (2370, 21054), (2420, 20619), (2607, 19140), (2610, 19118), (2844, 17545), (2871, 17380), (3190, 15642), (3476, 14355), (3509, 14220), (3555, 14036), (3630, 13746), (3828, 13035), (4345, 11484), (4356, 11455), (4582, 10890), (4740, 10527), (4785, 10428), (5214, 9570), (5220, 9559), (5445, 9164), (5742, 8690), (6380, 7821), (6873, 7260), (7018, 7110)]