90183940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 238258944

約数和(自身を除く): 148075004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 157, 220, 308, 314, 373, 385, 628, 746, 770, 785, 1099, 1492, 1540, 1570, 1727, 1865, 2198, 2611, 3140, 3454, 3730, 4103, 4396, 5222, 5495, 6908, 7460, 8206, 8635, 10444, 10990, 12089, 13055, 16412, 17270, 20515, 21980, 24178, 26110, 28721, 34540, 41030, 48356, 52220, 57442, 58561, 60445, 82060, 114884, 117122, 120890, 143605, 234244, 241780, 287210, 292805, 409927, 574420, 585610, 644171, 819854, 1171220, 1288342, 1639708, 2049635, 2576684, 3220855, 4099270, 4509197, 6441710, 8198540, 9018394, 12883420, 18036788, 22545985, 45091970, 90183940]

約数ペア:

[(1, 90183940), (2, 45091970), (4, 22545985), (5, 18036788), (7, 12883420), (10, 9018394), (11, 8198540), (14, 6441710), (20, 4509197), (22, 4099270), (28, 3220855), (35, 2576684), (44, 2049635), (55, 1639708), (70, 1288342), (77, 1171220), (110, 819854), (140, 644171), (154, 585610), (157, 574420), (220, 409927), (308, 292805), (314, 287210), (373, 241780), (385, 234244), (628, 143605), (746, 120890), (770, 117122), (785, 114884), (1099, 82060), (1492, 60445), (1540, 58561), (1570, 57442), (1727, 52220), (1865, 48356), (2198, 41030), (2611, 34540), (3140, 28721), (3454, 26110), (3730, 24178), (4103, 21980), (4396, 20515), (5222, 17270), (5495, 16412), (6908, 13055), (7460, 12089), (8206, 10990), (8635, 10444)]