42904940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{571}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 103255152

約数和(自身を除く): 60350212

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 571, 578, 884, 1105, 1142, 1156, 1445, 2210, 2284, 2855, 2890, 3757, 4420, 5710, 5780, 7423, 7514, 9707, 11420, 14846, 15028, 18785, 19414, 29692, 37115, 37570, 38828, 48535, 74230, 75140, 97070, 126191, 148460, 165019, 194140, 252382, 330038, 504764, 630955, 660076, 825095, 1261910, 1650190, 2145247, 2523820, 3300380, 4290494, 8580988, 10726235, 21452470, 42904940]

約数ペア:

[(1, 42904940), (2, 21452470), (4, 10726235), (5, 8580988), (10, 4290494), (13, 3300380), (17, 2523820), (20, 2145247), (26, 1650190), (34, 1261910), (52, 825095), (65, 660076), (68, 630955), (85, 504764), (130, 330038), (170, 252382), (221, 194140), (260, 165019), (289, 148460), (340, 126191), (442, 97070), (571, 75140), (578, 74230), (884, 48535), (1105, 38828), (1142, 37570), (1156, 37115), (1445, 29692), (2210, 19414), (2284, 18785), (2855, 15028), (2890, 14846), (3757, 11420), (4420, 9707), (5710, 7514), (5780, 7423)]