202453640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 498636000

約数和(自身を除く): 296182360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 53, 58, 74, 89, 106, 116, 145, 148, 178, 185, 212, 232, 265, 290, 296, 356, 370, 424, 445, 530, 580, 712, 740, 890, 1060, 1073, 1160, 1480, 1537, 1780, 1961, 2120, 2146, 2581, 3074, 3293, 3560, 3922, 4292, 4717, 5162, 5365, 6148, 6586, 7685, 7844, 8584, 9434, 9805, 10324, 10730, 12296, 12905, 13172, 15370, 15688, 16465, 18868, 19610, 20648, 21460, 23585, 25810, 26344, 30740, 32930, 37736, 39220, 42920, 47170, 51620, 56869, 61480, 65860, 78440, 94340, 95497, 103240, 113738, 131720, 136793, 174529, 188680, 190994, 227476, 273586, 284345, 349058, 381988, 454952, 477485, 547172, 568690, 683965, 698116, 763976, 872645, 954970, 1094344, 1137380, 1367930, 1396232, 1745290, 1909940, 2274760, 2735860, 3490580, 3819880, 5061341, 5471720, 6981160, 10122682, 20245364, 25306705, 40490728, 50613410, 101226820, 202453640]

約数ペア:

[(1, 202453640), (2, 101226820), (4, 50613410), (5, 40490728), (8, 25306705), (10, 20245364), (20, 10122682), (29, 6981160), (37, 5471720), (40, 5061341), (53, 3819880), (58, 3490580), (74, 2735860), (89, 2274760), (106, 1909940), (116, 1745290), (145, 1396232), (148, 1367930), (178, 1137380), (185, 1094344), (212, 954970), (232, 872645), (265, 763976), (290, 698116), (296, 683965), (356, 568690), (370, 547172), (424, 477485), (445, 454952), (530, 381988), (580, 349058), (712, 284345), (740, 273586), (890, 227476), (1060, 190994), (1073, 188680), (1160, 174529), (1480, 136793), (1537, 131720), (1780, 113738), (1961, 103240), (2120, 95497), (2146, 94340), (2581, 78440), (3074, 65860), (3293, 61480), (3560, 56869), (3922, 51620), (4292, 47170), (4717, 42920), (5162, 39220), (5365, 37736), (6148, 32930), (6586, 30740), (7685, 26344), (7844, 25810), (8584, 23585), (9434, 21460), (9805, 20648), (10324, 19610), (10730, 18868), (12296, 16465), (12905, 15688), (13172, 15370)]