42241940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 106686720

約数和(自身を除く): 64444780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 503, 646, 884, 988, 1006, 1105, 1235, 1292, 1615, 2012, 2210, 2470, 2515, 3230, 4199, 4420, 4940, 5030, 6460, 6539, 8398, 8551, 9557, 10060, 13078, 16796, 17102, 19114, 20995, 26156, 32695, 34204, 38228, 41990, 42755, 47785, 65390, 83980, 85510, 95570, 111163, 124241, 130780, 162469, 171020, 191140, 222326, 248482, 324938, 444652, 496964, 555815, 621205, 649876, 812345, 1111630, 1242410, 1624690, 2112097, 2223260, 2484820, 3249380, 4224194, 8448388, 10560485, 21120970, 42241940]

約数ペア:

[(1, 42241940), (2, 21120970), (4, 10560485), (5, 8448388), (10, 4224194), (13, 3249380), (17, 2484820), (19, 2223260), (20, 2112097), (26, 1624690), (34, 1242410), (38, 1111630), (52, 812345), (65, 649876), (68, 621205), (76, 555815), (85, 496964), (95, 444652), (130, 324938), (170, 248482), (190, 222326), (221, 191140), (247, 171020), (260, 162469), (323, 130780), (340, 124241), (380, 111163), (442, 95570), (494, 85510), (503, 83980), (646, 65390), (884, 47785), (988, 42755), (1006, 41990), (1105, 38228), (1235, 34204), (1292, 32695), (1615, 26156), (2012, 20995), (2210, 19114), (2470, 17102), (2515, 16796), (3230, 13078), (4199, 10060), (4420, 9557), (4940, 8551), (5030, 8398), (6460, 6539)]