28847300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 67495680

約数和(自身を除く): 38648380

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 71, 85, 100, 142, 170, 239, 284, 340, 355, 425, 478, 710, 850, 956, 1195, 1207, 1420, 1700, 1775, 2390, 2414, 3550, 4063, 4780, 4828, 5975, 6035, 7100, 8126, 11950, 12070, 16252, 16969, 20315, 23900, 24140, 30175, 33938, 40630, 60350, 67876, 81260, 84845, 101575, 120700, 169690, 203150, 288473, 339380, 406300, 424225, 576946, 848450, 1153892, 1442365, 1696900, 2884730, 5769460, 7211825, 14423650, 28847300]

約数ペア:

[(1, 28847300), (2, 14423650), (4, 7211825), (5, 5769460), (10, 2884730), (17, 1696900), (20, 1442365), (25, 1153892), (34, 848450), (50, 576946), (68, 424225), (71, 406300), (85, 339380), (100, 288473), (142, 203150), (170, 169690), (239, 120700), (284, 101575), (340, 84845), (355, 81260), (425, 67876), (478, 60350), (710, 40630), (850, 33938), (956, 30175), (1195, 24140), (1207, 23900), (1420, 20315), (1700, 16969), (1775, 16252), (2390, 12070), (2414, 11950), (3550, 8126), (4063, 7100), (4780, 6035), (4828, 5975)]