19244800

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 49677376

約数和(自身を除く): 30432576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 97, 100, 124, 128, 155, 160, 194, 200, 248, 256, 310, 320, 388, 400, 485, 496, 620, 640, 775, 776, 800, 970, 992, 1240, 1280, 1550, 1552, 1600, 1940, 1984, 2425, 2480, 3007, 3100, 3104, 3200, 3880, 3968, 4850, 4960, 6014, 6200, 6208, 6400, 7760, 7936, 9700, 9920, 12028, 12400, 12416, 15035, 15520, 19400, 19840, 24056, 24800, 24832, 30070, 31040, 38800, 39680, 48112, 49600, 60140, 62080, 75175, 77600, 96224, 99200, 120280, 124160, 150350, 155200, 192448, 198400, 240560, 300700, 310400, 384896, 481120, 601400, 620800, 769792, 962240, 1202800, 1924480, 2405600, 3848960, 4811200, 9622400, 19244800]

約数ペア:

[(1, 19244800), (2, 9622400), (4, 4811200), (5, 3848960), (8, 2405600), (10, 1924480), (16, 1202800), (20, 962240), (25, 769792), (31, 620800), (32, 601400), (40, 481120), (50, 384896), (62, 310400), (64, 300700), (80, 240560), (97, 198400), (100, 192448), (124, 155200), (128, 150350), (155, 124160), (160, 120280), (194, 99200), (200, 96224), (248, 77600), (256, 75175), (310, 62080), (320, 60140), (388, 49600), (400, 48112), (485, 39680), (496, 38800), (620, 31040), (640, 30070), (775, 24832), (776, 24800), (800, 24056), (970, 19840), (992, 19400), (1240, 15520), (1280, 15035), (1550, 12416), (1552, 12400), (1600, 12028), (1940, 9920), (1984, 9700), (2425, 7936), (2480, 7760), (3007, 6400), (3100, 6208), (3104, 6200), (3200, 6014), (3880, 4960), (3968, 4850)]