252278000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:380

約数の個数: 160

約数和(自身を含む): 680289792

約数和(自身を除く): 428011792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 200, 208, 248, 250, 260, 310, 313, 325, 400, 403, 496, 500, 520, 620, 626, 650, 775, 806, 1000, 1040, 1240, 1252, 1300, 1550, 1565, 1612, 1625, 2000, 2015, 2480, 2504, 2600, 3100, 3130, 3224, 3250, 3875, 4030, 4069, 5008, 5200, 6200, 6260, 6448, 6500, 7750, 7825, 8060, 8138, 9703, 10075, 12400, 12520, 13000, 15500, 15650, 16120, 16276, 19406, 20150, 20345, 25040, 26000, 31000, 31300, 32240, 32552, 38812, 39125, 40300, 40690, 48515, 50375, 62000, 62600, 65104, 77624, 78250, 80600, 81380, 97030, 100750, 101725, 125200, 126139, 155248, 156500, 161200, 162760, 194060, 201500, 203450, 242575, 252278, 313000, 325520, 388120, 403000, 406900, 485150, 504556, 508625, 626000, 630695, 776240, 806000, 813800, 970300, 1009112, 1017250, 1212875, 1261390, 1627600, 1940600, 2018224, 2034500, 2425750, 2522780, 3153475, 3881200, 4069000, 4851500, 5045560, 6306950, 8138000, 9703000, 10091120, 12613900, 15767375, 19406000, 25227800, 31534750, 50455600, 63069500, 126139000, 252278000]

約数ペア:

[(1, 252278000), (2, 126139000), (4, 63069500), (5, 50455600), (8, 31534750), (10, 25227800), (13, 19406000), (16, 15767375), (20, 12613900), (25, 10091120), (26, 9703000), (31, 8138000), (40, 6306950), (50, 5045560), (52, 4851500), (62, 4069000), (65, 3881200), (80, 3153475), (100, 2522780), (104, 2425750), (124, 2034500), (125, 2018224), (130, 1940600), (155, 1627600), (200, 1261390), (208, 1212875), (248, 1017250), (250, 1009112), (260, 970300), (310, 813800), (313, 806000), (325, 776240), (400, 630695), (403, 626000), (496, 508625), (500, 504556), (520, 485150), (620, 406900), (626, 403000), (650, 388120), (775, 325520), (806, 313000), (1000, 252278), (1040, 242575), (1240, 203450), (1252, 201500), (1300, 194060), (1550, 162760), (1565, 161200), (1612, 156500), (1625, 155248), (2000, 126139), (2015, 125200), (2480, 101725), (2504, 100750), (2600, 97030), (3100, 81380), (3130, 80600), (3224, 78250), (3250, 77624), (3875, 65104), (4030, 62600), (4069, 62000), (5008, 50375), (5200, 48515), (6200, 40690), (6260, 40300), (6448, 39125), (6500, 38812), (7750, 32552), (7825, 32240), (8060, 31300), (8138, 31000), (9703, 26000), (10075, 25040), (12400, 20345), (12520, 20150), (13000, 19406), (15500, 16276), (15650, 16120)]