18975285500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{1637}}^1$

素因数の和:1992

約数の個数: 96

約数和(自身を含む): 42070129920

約数和(自身を除く): 23094844420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 239, 250, 388, 478, 485, 500, 956, 970, 1195, 1637, 1940, 2390, 2425, 3274, 4780, 4850, 5975, 6548, 8185, 9700, 11950, 12125, 16370, 23183, 23900, 24250, 29875, 32740, 40925, 46366, 48500, 59750, 81850, 92732, 115915, 119500, 158789, 163700, 204625, 231830, 317578, 391243, 409250, 463660, 579575, 635156, 782486, 793945, 818500, 1159150, 1564972, 1587890, 1956215, 2318300, 2897875, 3175780, 3912430, 3969725, 5795750, 7824860, 7939450, 9781075, 11591500, 15878900, 19562150, 19848625, 37950571, 39124300, 39697250, 48905375, 75901142, 79394500, 97810750, 151802284, 189752855, 195621500, 379505710, 759011420, 948764275, 1897528550, 3795057100, 4743821375, 9487642750, 18975285500]

約数ペア:

[(1, 18975285500), (2, 9487642750), (4, 4743821375), (5, 3795057100), (10, 1897528550), (20, 948764275), (25, 759011420), (50, 379505710), (97, 195621500), (100, 189752855), (125, 151802284), (194, 97810750), (239, 79394500), (250, 75901142), (388, 48905375), (478, 39697250), (485, 39124300), (500, 37950571), (956, 19848625), (970, 19562150), (1195, 15878900), (1637, 11591500), (1940, 9781075), (2390, 7939450), (2425, 7824860), (3274, 5795750), (4780, 3969725), (4850, 3912430), (5975, 3175780), (6548, 2897875), (8185, 2318300), (9700, 1956215), (11950, 1587890), (12125, 1564972), (16370, 1159150), (23183, 818500), (23900, 793945), (24250, 782486), (29875, 635156), (32740, 579575), (40925, 463660), (46366, 409250), (48500, 391243), (59750, 317578), (81850, 231830), (92732, 204625), (115915, 163700), (119500, 158789)]