87661490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 196992000

約数和(自身を除く): 109330510

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 49, 58, 62, 70, 98, 145, 155, 199, 203, 217, 245, 290, 310, 398, 406, 434, 490, 899, 995, 1015, 1085, 1393, 1421, 1519, 1798, 1990, 2030, 2170, 2786, 2842, 3038, 4495, 5771, 6169, 6293, 6965, 7105, 7595, 8990, 9751, 11542, 12338, 12586, 13930, 14210, 15190, 19502, 28855, 30845, 31465, 40397, 43183, 44051, 48755, 57710, 61690, 62930, 80794, 86366, 88102, 97510, 178901, 201985, 215915, 220255, 282779, 302281, 357802, 403970, 431830, 440510, 565558, 604562, 894505, 1252307, 1413895, 1511405, 1789010, 2504614, 2827790, 3022810, 6261535, 8766149, 12523070, 17532298, 43830745, 87661490]

約数ペア:

[(1, 87661490), (2, 43830745), (5, 17532298), (7, 12523070), (10, 8766149), (14, 6261535), (29, 3022810), (31, 2827790), (35, 2504614), (49, 1789010), (58, 1511405), (62, 1413895), (70, 1252307), (98, 894505), (145, 604562), (155, 565558), (199, 440510), (203, 431830), (217, 403970), (245, 357802), (290, 302281), (310, 282779), (398, 220255), (406, 215915), (434, 201985), (490, 178901), (899, 97510), (995, 88102), (1015, 86366), (1085, 80794), (1393, 62930), (1421, 61690), (1519, 57710), (1798, 48755), (1990, 44051), (2030, 43183), (2170, 40397), (2786, 31465), (2842, 30845), (3038, 28855), (4495, 19502), (5771, 15190), (6169, 14210), (6293, 13930), (6965, 12586), (7105, 12338), (7595, 11542), (8990, 9751)]