200919940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 486186624

約数和(自身を除く): 285266684

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 131, 170, 221, 260, 262, 340, 347, 442, 524, 655, 694, 884, 1105, 1310, 1388, 1703, 1735, 2210, 2227, 2620, 3406, 3470, 4420, 4454, 4511, 5899, 6812, 6940, 8515, 8908, 9022, 11135, 11798, 17030, 18044, 22270, 22555, 23596, 28951, 29495, 34060, 44540, 45110, 45457, 57902, 58990, 76687, 90220, 90914, 115804, 117980, 144755, 153374, 181828, 227285, 289510, 306748, 383435, 454570, 579020, 590941, 766870, 772769, 909140, 1181882, 1533740, 1545538, 2363764, 2954705, 3091076, 3863845, 5909410, 7727690, 10045997, 11818820, 15455380, 20091994, 40183988, 50229985, 100459970, 200919940]

約数ペア:

[(1, 200919940), (2, 100459970), (4, 50229985), (5, 40183988), (10, 20091994), (13, 15455380), (17, 11818820), (20, 10045997), (26, 7727690), (34, 5909410), (52, 3863845), (65, 3091076), (68, 2954705), (85, 2363764), (130, 1545538), (131, 1533740), (170, 1181882), (221, 909140), (260, 772769), (262, 766870), (340, 590941), (347, 579020), (442, 454570), (524, 383435), (655, 306748), (694, 289510), (884, 227285), (1105, 181828), (1310, 153374), (1388, 144755), (1703, 117980), (1735, 115804), (2210, 90914), (2227, 90220), (2620, 76687), (3406, 58990), (3470, 57902), (4420, 45457), (4454, 45110), (4511, 44540), (5899, 34060), (6812, 29495), (6940, 28951), (8515, 23596), (8908, 22555), (9022, 22270), (11135, 18044), (11798, 17030)]