1688894190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307631}}^1$

素因数の和:307705

約数の個数: 48

約数和(自身を含む): 4463125056

約数和(自身を除く): 2774230866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 307631, 615262, 922893, 1538155, 1845786, 2768679, 3076310, 4614465, 5537358, 9228930, 13843395, 18765491, 27686790, 37530982, 56296473, 93827455, 112592946, 168889419, 187654910, 281482365, 337778838, 562964730, 844447095, 1688894190]

約数ペア:

[(1, 1688894190), (2, 844447095), (3, 562964730), (5, 337778838), (6, 281482365), (9, 187654910), (10, 168889419), (15, 112592946), (18, 93827455), (30, 56296473), (45, 37530982), (61, 27686790), (90, 18765491), (122, 13843395), (183, 9228930), (305, 5537358), (366, 4614465), (549, 3076310), (610, 2768679), (915, 1845786), (1098, 1538155), (1830, 922893), (2745, 615262), (5490, 307631)]