7889728140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{894527}}^1$

素因数の和:894556

約数の個数: 108

約数和(自身を含む): 27839500416

約数和(自身を除く): 19949772276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 894527, 1789054, 2683581, 3578108, 4472635, 5367162, 6261689, 8050743, 8945270, 10734324, 12523378, 13417905, 16101486, 17890540, 18785067, 25046756, 26835810, 31308445, 32202972, 37570134, 40253715, 43831823, 53671620, 56355201, 62616890, 75140268, 80507430, 87663646, 93925335, 112710402, 125233780, 131495469, 161014860, 175327292, 187850670, 219159115, 225420804, 262990938, 281776005, 375701340, 394486407, 438318230, 525981876, 563552010, 657477345, 788972814, 876636460, 1127104020, 1314954690, 1577945628, 1972432035, 2629909380, 3944864070, 7889728140]

約数ペア:

[(1, 7889728140), (2, 3944864070), (3, 2629909380), (4, 1972432035), (5, 1577945628), (6, 1314954690), (7, 1127104020), (9, 876636460), (10, 788972814), (12, 657477345), (14, 563552010), (15, 525981876), (18, 438318230), (20, 394486407), (21, 375701340), (28, 281776005), (30, 262990938), (35, 225420804), (36, 219159115), (42, 187850670), (45, 175327292), (49, 161014860), (60, 131495469), (63, 125233780), (70, 112710402), (84, 93925335), (90, 87663646), (98, 80507430), (105, 75140268), (126, 62616890), (140, 56355201), (147, 53671620), (180, 43831823), (196, 40253715), (210, 37570134), (245, 32202972), (252, 31308445), (294, 26835810), (315, 25046756), (420, 18785067), (441, 17890540), (490, 16101486), (588, 13417905), (630, 12523378), (735, 10734324), (882, 8945270), (980, 8050743), (1260, 6261689), (1470, 5367162), (1764, 4472635), (2205, 3578108), (2940, 2683581), (4410, 1789054), (8820, 894527)]