1644205220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3261

約数の個数: 96

約数和(自身を含む): 4078480896

約数和(自身を除く): 2434275676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 71, 106, 140, 142, 212, 265, 284, 355, 371, 497, 530, 710, 742, 994, 1060, 1420, 1484, 1855, 1988, 2485, 3121, 3710, 3763, 4970, 6242, 7420, 7526, 9940, 12484, 15052, 15605, 18815, 21847, 26341, 31210, 37630, 43694, 52682, 62420, 75260, 87388, 105364, 109235, 131705, 165413, 218470, 221591, 263410, 330826, 436940, 443182, 526820, 661652, 827065, 886364, 1107955, 1157891, 1551137, 1654130, 2215910, 2315782, 3102274, 3308260, 4431820, 4631564, 5789455, 6204548, 7755685, 11578910, 11744323, 15511370, 23157820, 23488646, 31022740, 46977292, 58721615, 82210261, 117443230, 164420522, 234886460, 328841044, 411051305, 822102610, 1644205220]

約数ペア:

[(1, 1644205220), (2, 822102610), (4, 411051305), (5, 328841044), (7, 234886460), (10, 164420522), (14, 117443230), (20, 82210261), (28, 58721615), (35, 46977292), (53, 31022740), (70, 23488646), (71, 23157820), (106, 15511370), (140, 11744323), (142, 11578910), (212, 7755685), (265, 6204548), (284, 5789455), (355, 4631564), (371, 4431820), (497, 3308260), (530, 3102274), (710, 2315782), (742, 2215910), (994, 1654130), (1060, 1551137), (1420, 1157891), (1484, 1107955), (1855, 886364), (1988, 827065), (2485, 661652), (3121, 526820), (3710, 443182), (3763, 436940), (4970, 330826), (6242, 263410), (7420, 221591), (7526, 218470), (9940, 165413), (12484, 131705), (15052, 109235), (15605, 105364), (18815, 87388), (21847, 75260), (26341, 62420), (31210, 52682), (37630, 43694)]