780891700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{4019}}^1$

素因数の和:4129

約数の個数: 72

約数和(自身を含む): 1779573600

約数和(自身を除く): 998681900

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 67, 100, 116, 134, 145, 268, 290, 335, 580, 670, 725, 1340, 1450, 1675, 1943, 2900, 3350, 3886, 4019, 6700, 7772, 8038, 9715, 16076, 19430, 20095, 38860, 40190, 48575, 80380, 97150, 100475, 116551, 194300, 200950, 233102, 269273, 401900, 466204, 538546, 582755, 1077092, 1165510, 1346365, 2331020, 2692730, 2913775, 5385460, 5827550, 6731825, 7808917, 11655100, 13463650, 15617834, 26927300, 31235668, 39044585, 78089170, 156178340, 195222925, 390445850, 780891700]

約数ペア:

[(1, 780891700), (2, 390445850), (4, 195222925), (5, 156178340), (10, 78089170), (20, 39044585), (25, 31235668), (29, 26927300), (50, 15617834), (58, 13463650), (67, 11655100), (100, 7808917), (116, 6731825), (134, 5827550), (145, 5385460), (268, 2913775), (290, 2692730), (335, 2331020), (580, 1346365), (670, 1165510), (725, 1077092), (1340, 582755), (1450, 538546), (1675, 466204), (1943, 401900), (2900, 269273), (3350, 233102), (3886, 200950), (4019, 194300), (6700, 116551), (7772, 100475), (8038, 97150), (9715, 80380), (16076, 48575), (19430, 40190), (20095, 38860)]