80639300

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{2351}}^1$

素因数の和:2386

約数の個数: 72

約数和(自身を含む): 204153600

約数和(自身を除く): 123514300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 2351, 2450, 3430, 4702, 4900, 6860, 8575, 9404, 11755, 16457, 17150, 23510, 32914, 34300, 47020, 58775, 65828, 82285, 115199, 117550, 164570, 230398, 235100, 329140, 411425, 460796, 575995, 806393, 822850, 1151990, 1612786, 1645700, 2303980, 2879975, 3225572, 4031965, 5759950, 8063930, 11519900, 16127860, 20159825, 40319650, 80639300]

約数ペア:

[(1, 80639300), (2, 40319650), (4, 20159825), (5, 16127860), (7, 11519900), (10, 8063930), (14, 5759950), (20, 4031965), (25, 3225572), (28, 2879975), (35, 2303980), (49, 1645700), (50, 1612786), (70, 1151990), (98, 822850), (100, 806393), (140, 575995), (175, 460796), (196, 411425), (245, 329140), (343, 235100), (350, 230398), (490, 164570), (686, 117550), (700, 115199), (980, 82285), (1225, 65828), (1372, 58775), (1715, 47020), (2351, 34300), (2450, 32914), (3430, 23510), (4702, 17150), (4900, 16457), (6860, 11755), (8575, 9404)]