390054400

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1042

約数の個数: 120

約数和(自身を含む): 998578944

約数和(自身を除く): 608524544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 800, 983, 992, 1240, 1280, 1550, 1600, 1966, 1984, 2480, 2560, 3100, 3200, 3932, 3968, 4915, 4960, 6200, 6400, 7864, 7936, 9830, 9920, 12400, 12800, 15728, 15872, 19660, 19840, 24575, 24800, 30473, 31456, 39320, 39680, 49150, 49600, 60946, 62912, 78640, 79360, 98300, 99200, 121892, 125824, 152365, 157280, 196600, 198400, 243784, 251648, 304730, 314560, 393200, 396800, 487568, 503296, 609460, 629120, 761825, 786400, 975136, 1218920, 1258240, 1523650, 1572800, 1950272, 2437840, 2516480, 3047300, 3145600, 3900544, 4875680, 6094600, 6291200, 7801088, 9751360, 12189200, 12582400, 15602176, 19502720, 24378400, 39005440, 48756800, 78010880, 97513600, 195027200, 390054400]

約数ペア:

[(1, 390054400), (2, 195027200), (4, 97513600), (5, 78010880), (8, 48756800), (10, 39005440), (16, 24378400), (20, 19502720), (25, 15602176), (31, 12582400), (32, 12189200), (40, 9751360), (50, 7801088), (62, 6291200), (64, 6094600), (80, 4875680), (100, 3900544), (124, 3145600), (128, 3047300), (155, 2516480), (160, 2437840), (200, 1950272), (248, 1572800), (256, 1523650), (310, 1258240), (320, 1218920), (400, 975136), (496, 786400), (512, 761825), (620, 629120), (640, 609460), (775, 503296), (800, 487568), (983, 396800), (992, 393200), (1240, 314560), (1280, 304730), (1550, 251648), (1600, 243784), (1966, 198400), (1984, 196600), (2480, 157280), (2560, 152365), (3100, 125824), (3200, 121892), (3932, 99200), (3968, 98300), (4915, 79360), (4960, 78640), (6200, 62912), (6400, 60946), (7864, 49600), (7936, 49150), (9830, 39680), (9920, 39320), (12400, 31456), (12800, 30473), (15728, 24800), (15872, 24575), (19660, 19840)]