309873520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 835946496

約数和(自身を除く): 526072976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 37, 40, 44, 55, 62, 74, 80, 88, 110, 124, 148, 155, 176, 185, 220, 248, 296, 307, 310, 341, 370, 407, 440, 496, 592, 614, 620, 682, 740, 814, 880, 1147, 1228, 1240, 1364, 1480, 1535, 1628, 1705, 2035, 2294, 2456, 2480, 2728, 2960, 3070, 3256, 3377, 3410, 4070, 4588, 4912, 5456, 5735, 6140, 6512, 6754, 6820, 8140, 9176, 9517, 11359, 11470, 12280, 12617, 13508, 13640, 16280, 16885, 18352, 19034, 22718, 22940, 24560, 25234, 27016, 27280, 32560, 33770, 38068, 45436, 45880, 47585, 50468, 54032, 56795, 63085, 67540, 76136, 90872, 91760, 95170, 100936, 104687, 113590, 124949, 126170, 135080, 152272, 181744, 190340, 201872, 209374, 227180, 249898, 252340, 270160, 352129, 380680, 418748, 454360, 499796, 504680, 523435, 624745, 704258, 761360, 837496, 908720, 999592, 1009360, 1046870, 1249490, 1408516, 1674992, 1760645, 1999184, 2093740, 2498980, 2817032, 3521290, 3873419, 4187480, 4997960, 5634064, 7042580, 7746838, 8374960, 9995920, 14085160, 15493676, 19367095, 28170320, 30987352, 38734190, 61974704, 77468380, 154936760, 309873520]

約数ペア:

[(1, 309873520), (2, 154936760), (4, 77468380), (5, 61974704), (8, 38734190), (10, 30987352), (11, 28170320), (16, 19367095), (20, 15493676), (22, 14085160), (31, 9995920), (37, 8374960), (40, 7746838), (44, 7042580), (55, 5634064), (62, 4997960), (74, 4187480), (80, 3873419), (88, 3521290), (110, 2817032), (124, 2498980), (148, 2093740), (155, 1999184), (176, 1760645), (185, 1674992), (220, 1408516), (248, 1249490), (296, 1046870), (307, 1009360), (310, 999592), (341, 908720), (370, 837496), (407, 761360), (440, 704258), (496, 624745), (592, 523435), (614, 504680), (620, 499796), (682, 454360), (740, 418748), (814, 380680), (880, 352129), (1147, 270160), (1228, 252340), (1240, 249898), (1364, 227180), (1480, 209374), (1535, 201872), (1628, 190340), (1705, 181744), (2035, 152272), (2294, 135080), (2456, 126170), (2480, 124949), (2728, 113590), (2960, 104687), (3070, 100936), (3256, 95170), (3377, 91760), (3410, 90872), (4070, 76136), (4588, 67540), (4912, 63085), (5456, 56795), (5735, 54032), (6140, 50468), (6512, 47585), (6754, 45880), (6820, 45436), (8140, 38068), (9176, 33770), (9517, 32560), (11359, 27280), (11470, 27016), (12280, 25234), (12617, 24560), (13508, 22940), (13640, 22718), (16280, 19034), (16885, 18352)]