201685890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 128

約数和(自身を含む): 576004608

約数和(自身を除く): 374318718

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 101, 105, 111, 185, 202, 210, 222, 257, 259, 303, 370, 505, 514, 518, 555, 606, 707, 771, 777, 1010, 1110, 1285, 1295, 1414, 1515, 1542, 1554, 1799, 2121, 2570, 2590, 3030, 3535, 3598, 3737, 3855, 3885, 4242, 5397, 7070, 7474, 7710, 7770, 8995, 9509, 10605, 10794, 11211, 17990, 18685, 19018, 21210, 22422, 25957, 26159, 26985, 28527, 37370, 47545, 51914, 52318, 53970, 56055, 57054, 66563, 77871, 78477, 95090, 112110, 129785, 130795, 133126, 142635, 155742, 156954, 181699, 199689, 259570, 261590, 285270, 332815, 363398, 389355, 392385, 399378, 545097, 665630, 778710, 784770, 908495, 960409, 998445, 1090194, 1816990, 1920818, 1996890, 2725485, 2881227, 4802045, 5450970, 5762454, 6722863, 9604090, 13445726, 14406135, 20168589, 28812270, 33614315, 40337178, 67228630, 100842945, 201685890]

約数ペア:

[(1, 201685890), (2, 100842945), (3, 67228630), (5, 40337178), (6, 33614315), (7, 28812270), (10, 20168589), (14, 14406135), (15, 13445726), (21, 9604090), (30, 6722863), (35, 5762454), (37, 5450970), (42, 4802045), (70, 2881227), (74, 2725485), (101, 1996890), (105, 1920818), (111, 1816990), (185, 1090194), (202, 998445), (210, 960409), (222, 908495), (257, 784770), (259, 778710), (303, 665630), (370, 545097), (505, 399378), (514, 392385), (518, 389355), (555, 363398), (606, 332815), (707, 285270), (771, 261590), (777, 259570), (1010, 199689), (1110, 181699), (1285, 156954), (1295, 155742), (1414, 142635), (1515, 133126), (1542, 130795), (1554, 129785), (1799, 112110), (2121, 95090), (2570, 78477), (2590, 77871), (3030, 66563), (3535, 57054), (3598, 56055), (3737, 53970), (3855, 52318), (3885, 51914), (4242, 47545), (5397, 37370), (7070, 28527), (7474, 26985), (7710, 26159), (7770, 25957), (8995, 22422), (9509, 21210), (10605, 19018), (10794, 18685), (11211, 17990)]