30181970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1995

約数の個数: 64

約数和(自身を含む): 70834176

約数和(自身を除く): 40652206

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 1951, 2210, 3094, 3902, 7735, 9755, 13657, 15470, 19510, 25363, 27314, 33167, 50726, 66334, 68285, 126815, 136570, 165835, 177541, 232169, 253630, 331670, 355082, 431171, 464338, 862342, 887705, 1160845, 1775410, 2155855, 2321690, 3018197, 4311710, 6036394, 15090985, 30181970]

約数ペア:

[(1, 30181970), (2, 15090985), (5, 6036394), (7, 4311710), (10, 3018197), (13, 2321690), (14, 2155855), (17, 1775410), (26, 1160845), (34, 887705), (35, 862342), (65, 464338), (70, 431171), (85, 355082), (91, 331670), (119, 253630), (130, 232169), (170, 177541), (182, 165835), (221, 136570), (238, 126815), (442, 68285), (455, 66334), (595, 50726), (910, 33167), (1105, 27314), (1190, 25363), (1547, 19510), (1951, 15470), (2210, 13657), (3094, 9755), (3902, 7735)]