28566500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 68490240

約数和(自身を除く): 39923740

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 97, 100, 124, 125, 155, 190, 194, 250, 310, 380, 388, 475, 485, 500, 589, 620, 775, 950, 970, 1178, 1550, 1843, 1900, 1940, 2356, 2375, 2425, 2945, 3007, 3100, 3686, 3875, 4750, 4850, 5890, 6014, 7372, 7750, 9215, 9500, 9700, 11780, 12028, 12125, 14725, 15035, 15500, 18430, 24250, 29450, 30070, 36860, 46075, 48500, 57133, 58900, 60140, 73625, 75175, 92150, 114266, 147250, 150350, 184300, 228532, 230375, 285665, 294500, 300700, 375875, 460750, 571330, 751750, 921500, 1142660, 1428325, 1503500, 2856650, 5713300, 7141625, 14283250, 28566500]

約数ペア:

[(1, 28566500), (2, 14283250), (4, 7141625), (5, 5713300), (10, 2856650), (19, 1503500), (20, 1428325), (25, 1142660), (31, 921500), (38, 751750), (50, 571330), (62, 460750), (76, 375875), (95, 300700), (97, 294500), (100, 285665), (124, 230375), (125, 228532), (155, 184300), (190, 150350), (194, 147250), (250, 114266), (310, 92150), (380, 75175), (388, 73625), (475, 60140), (485, 58900), (500, 57133), (589, 48500), (620, 46075), (775, 36860), (950, 30070), (970, 29450), (1178, 24250), (1550, 18430), (1843, 15500), (1900, 15035), (1940, 14725), (2356, 12125), (2375, 12028), (2425, 11780), (2945, 9700), (3007, 9500), (3100, 9215), (3686, 7750), (3875, 7372), (4750, 6014), (4850, 5890)]