28902040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2237}}^1$

素因数の和:2284

約数の個数: 64

約数和(自身を含む): 72511200

約数和(自身を除く): 43609160

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2237, 2584, 3230, 4474, 6460, 8948, 11185, 12920, 17896, 22370, 38029, 42503, 44740, 76058, 85006, 89480, 152116, 170012, 190145, 212515, 304232, 340024, 380290, 425030, 722551, 760580, 850060, 1445102, 1521160, 1700120, 2890204, 3612755, 5780408, 7225510, 14451020, 28902040]

約数ペア:

[(1, 28902040), (2, 14451020), (4, 7225510), (5, 5780408), (8, 3612755), (10, 2890204), (17, 1700120), (19, 1521160), (20, 1445102), (34, 850060), (38, 760580), (40, 722551), (68, 425030), (76, 380290), (85, 340024), (95, 304232), (136, 212515), (152, 190145), (170, 170012), (190, 152116), (323, 89480), (340, 85006), (380, 76058), (646, 44740), (680, 42503), (760, 38029), (1292, 22370), (1615, 17896), (2237, 12920), (2584, 11185), (3230, 8948), (4474, 6460)]