142832500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 342890240

約数和(自身を除く): 200057740

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, 625, 775, 950, 970, 1178, 1250, 1550, 1843, 1900, 1940, 2356, 2375, 2425, 2500, 2945, 3007, 3100, 3686, 3875, 4750, 4850, 5890, 6014, 7372, 7750, 9215, 9500, 9700, 11780, 11875, 12028, 12125, 14725, 15035, 15500, 18430, 19375, 23750, 24250, 29450, 30070, 36860, 38750, 46075, 47500, 48500, 57133, 58900, 60140, 60625, 73625, 75175, 77500, 92150, 114266, 121250, 147250, 150350, 184300, 228532, 230375, 242500, 285665, 294500, 300700, 368125, 375875, 460750, 571330, 736250, 751750, 921500, 1142660, 1151875, 1428325, 1472500, 1503500, 1879375, 2303750, 2856650, 3758750, 4607500, 5713300, 7141625, 7517500, 14283250, 28566500, 35708125, 71416250, 142832500]

約数ペア:

[(1, 142832500), (2, 71416250), (4, 35708125), (5, 28566500), (10, 14283250), (19, 7517500), (20, 7141625), (25, 5713300), (31, 4607500), (38, 3758750), (50, 2856650), (62, 2303750), (76, 1879375), (95, 1503500), (97, 1472500), (100, 1428325), (124, 1151875), (125, 1142660), (155, 921500), (190, 751750), (194, 736250), (250, 571330), (310, 460750), (380, 375875), (388, 368125), (475, 300700), (485, 294500), (500, 285665), (589, 242500), (620, 230375), (625, 228532), (775, 184300), (950, 150350), (970, 147250), (1178, 121250), (1250, 114266), (1550, 92150), (1843, 77500), (1900, 75175), (1940, 73625), (2356, 60625), (2375, 60140), (2425, 58900), (2500, 57133), (2945, 48500), (3007, 47500), (3100, 46075), (3686, 38750), (3875, 36860), (4750, 30070), (4850, 29450), (5890, 24250), (6014, 23750), (7372, 19375), (7750, 18430), (9215, 15500), (9500, 15035), (9700, 14725), (11780, 12125), (11875, 12028)]