280351600

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1055

約数の個数: 120

約数和(自身を含む): 726239232

約数和(自身を除く): 445887632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 115, 124, 155, 184, 200, 230, 248, 310, 368, 400, 460, 496, 575, 620, 713, 775, 920, 983, 1150, 1240, 1426, 1550, 1840, 1966, 2300, 2480, 2852, 3100, 3565, 3932, 4600, 4915, 5704, 6200, 7130, 7864, 9200, 9830, 11408, 12400, 14260, 15728, 17825, 19660, 22609, 24575, 28520, 30473, 35650, 39320, 45218, 49150, 57040, 60946, 71300, 78640, 90436, 98300, 113045, 121892, 142600, 152365, 180872, 196600, 226090, 243784, 285200, 304730, 361744, 393200, 452180, 487568, 565225, 609460, 700879, 761825, 904360, 1130450, 1218920, 1401758, 1523650, 1808720, 2260900, 2437840, 2803516, 3047300, 3504395, 4521800, 5607032, 6094600, 7008790, 9043600, 11214064, 12189200, 14017580, 17521975, 28035160, 35043950, 56070320, 70087900, 140175800, 280351600]

約数ペア:

[(1, 280351600), (2, 140175800), (4, 70087900), (5, 56070320), (8, 35043950), (10, 28035160), (16, 17521975), (20, 14017580), (23, 12189200), (25, 11214064), (31, 9043600), (40, 7008790), (46, 6094600), (50, 5607032), (62, 4521800), (80, 3504395), (92, 3047300), (100, 2803516), (115, 2437840), (124, 2260900), (155, 1808720), (184, 1523650), (200, 1401758), (230, 1218920), (248, 1130450), (310, 904360), (368, 761825), (400, 700879), (460, 609460), (496, 565225), (575, 487568), (620, 452180), (713, 393200), (775, 361744), (920, 304730), (983, 285200), (1150, 243784), (1240, 226090), (1426, 196600), (1550, 180872), (1840, 152365), (1966, 142600), (2300, 121892), (2480, 113045), (2852, 98300), (3100, 90436), (3565, 78640), (3932, 71300), (4600, 60946), (4915, 57040), (5704, 49150), (6200, 45218), (7130, 39320), (7864, 35650), (9200, 30473), (9830, 28520), (11408, 24575), (12400, 22609), (14260, 19660), (15728, 17825)]