196003980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17851}}^1$

素因数の和:17927

約数の個数: 72

約数和(自身を含む): 604325904

約数和(自身を除く): 408321924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 17851, 35702, 53553, 71404, 89255, 107106, 160659, 178510, 214212, 267765, 321318, 357020, 535530, 642636, 803295, 1071060, 1088911, 1606590, 2177822, 3213180, 3266733, 4355644, 5444555, 6533466, 9800199, 10889110, 13066932, 16333665, 19600398, 21778220, 32667330, 39200796, 49000995, 65334660, 98001990, 196003980]

約数ペア:

[(1, 196003980), (2, 98001990), (3, 65334660), (4, 49000995), (5, 39200796), (6, 32667330), (9, 21778220), (10, 19600398), (12, 16333665), (15, 13066932), (18, 10889110), (20, 9800199), (30, 6533466), (36, 5444555), (45, 4355644), (60, 3266733), (61, 3213180), (90, 2177822), (122, 1606590), (180, 1088911), (183, 1071060), (244, 803295), (305, 642636), (366, 535530), (549, 357020), (610, 321318), (732, 267765), (915, 214212), (1098, 178510), (1220, 160659), (1830, 107106), (2196, 89255), (2745, 71404), (3660, 53553), (5490, 35702), (10980, 17851)]