31877380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 75932640

約数和(自身を除く): 44055260

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 53, 58, 61, 68, 85, 106, 116, 122, 145, 170, 212, 244, 265, 290, 305, 340, 493, 530, 580, 610, 901, 986, 1037, 1060, 1220, 1537, 1769, 1802, 1972, 2074, 2465, 3074, 3233, 3538, 3604, 4148, 4505, 4930, 5185, 6148, 6466, 7076, 7685, 8845, 9010, 9860, 10370, 12932, 15370, 16165, 17690, 18020, 20740, 26129, 30073, 30740, 32330, 35380, 52258, 54961, 60146, 64660, 93757, 104516, 109922, 120292, 130645, 150365, 187514, 219844, 261290, 274805, 300730, 375028, 468785, 522580, 549610, 601460, 937570, 1099220, 1593869, 1875140, 3187738, 6375476, 7969345, 15938690, 31877380]

約数ペア:

[(1, 31877380), (2, 15938690), (4, 7969345), (5, 6375476), (10, 3187738), (17, 1875140), (20, 1593869), (29, 1099220), (34, 937570), (53, 601460), (58, 549610), (61, 522580), (68, 468785), (85, 375028), (106, 300730), (116, 274805), (122, 261290), (145, 219844), (170, 187514), (212, 150365), (244, 130645), (265, 120292), (290, 109922), (305, 104516), (340, 93757), (493, 64660), (530, 60146), (580, 54961), (610, 52258), (901, 35380), (986, 32330), (1037, 30740), (1060, 30073), (1220, 26129), (1537, 20740), (1769, 18020), (1802, 17690), (1972, 16165), (2074, 15370), (2465, 12932), (3074, 10370), (3233, 9860), (3538, 9010), (3604, 8845), (4148, 7685), (4505, 7076), (4930, 6466), (5185, 6148)]