221479940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{2699}}^1$

素因数の和:3092

約数の個数: 48

約数和(自身を含む): 508939200

約数和(自身を除く): 287459260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 373, 746, 1492, 1865, 2699, 3730, 4103, 5398, 7460, 8206, 10796, 13495, 16412, 20515, 26990, 29689, 41030, 53980, 59378, 82060, 118756, 148445, 296890, 593780, 1006727, 2013454, 4026908, 5033635, 10067270, 11073997, 20134540, 22147994, 44295988, 55369985, 110739970, 221479940]

約数ペア:

[(1, 221479940), (2, 110739970), (4, 55369985), (5, 44295988), (10, 22147994), (11, 20134540), (20, 11073997), (22, 10067270), (44, 5033635), (55, 4026908), (110, 2013454), (220, 1006727), (373, 593780), (746, 296890), (1492, 148445), (1865, 118756), (2699, 82060), (3730, 59378), (4103, 53980), (5398, 41030), (7460, 29689), (8206, 26990), (10796, 20515), (13495, 16412)]