201957580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 478094400

約数和(自身を除く): 276136820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 101, 110, 122, 149, 202, 220, 244, 298, 305, 404, 505, 596, 610, 671, 745, 1010, 1111, 1220, 1342, 1490, 1639, 2020, 2222, 2684, 2980, 3278, 3355, 4444, 5555, 6161, 6556, 6710, 8195, 9089, 11110, 12322, 13420, 15049, 16390, 18178, 22220, 24644, 30098, 30805, 32780, 36356, 45445, 60196, 61610, 67771, 75245, 90890, 99979, 123220, 135542, 150490, 165539, 181780, 199958, 271084, 300980, 331078, 338855, 399916, 499895, 662156, 677710, 827695, 917989, 999790, 1355420, 1655390, 1835978, 1999580, 3310780, 3671956, 4589945, 9179890, 10097879, 18359780, 20195758, 40391516, 50489395, 100978790, 201957580]

約数ペア:

[(1, 201957580), (2, 100978790), (4, 50489395), (5, 40391516), (10, 20195758), (11, 18359780), (20, 10097879), (22, 9179890), (44, 4589945), (55, 3671956), (61, 3310780), (101, 1999580), (110, 1835978), (122, 1655390), (149, 1355420), (202, 999790), (220, 917989), (244, 827695), (298, 677710), (305, 662156), (404, 499895), (505, 399916), (596, 338855), (610, 331078), (671, 300980), (745, 271084), (1010, 199958), (1111, 181780), (1220, 165539), (1342, 150490), (1490, 135542), (1639, 123220), (2020, 99979), (2222, 90890), (2684, 75245), (2980, 67771), (3278, 61610), (3355, 60196), (4444, 45445), (5555, 36356), (6161, 32780), (6556, 30805), (6710, 30098), (8195, 24644), (9089, 22220), (11110, 18178), (12322, 16390), (13420, 15049)]