30008980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 66890880

約数和(自身を除く): 36881900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 503, 628, 785, 1006, 1570, 2012, 2515, 2983, 3140, 5030, 5966, 9557, 10060, 11932, 14915, 19114, 29830, 38228, 47785, 59660, 78971, 95570, 157942, 191140, 315884, 394855, 789710, 1500449, 1579420, 3000898, 6001796, 7502245, 15004490, 30008980]

約数ペア:

[(1, 30008980), (2, 15004490), (4, 7502245), (5, 6001796), (10, 3000898), (19, 1579420), (20, 1500449), (38, 789710), (76, 394855), (95, 315884), (157, 191140), (190, 157942), (314, 95570), (380, 78971), (503, 59660), (628, 47785), (785, 38228), (1006, 29830), (1570, 19114), (2012, 14915), (2515, 11932), (2983, 10060), (3140, 9557), (5030, 5966)]