201479980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8707}}^1$

素因数の和:8818

約数の個数: 48

約数和(自身を含む): 460827360

約数和(自身を除く): 259347380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 8707, 11570, 17414, 23140, 34828, 43535, 87070, 113191, 174140, 226382, 452764, 565955, 774923, 1131910, 1549846, 2263820, 3099692, 3874615, 7749230, 10073999, 15498460, 20147998, 40295996, 50369995, 100739990, 201479980]

約数ペア:

[(1, 201479980), (2, 100739990), (4, 50369995), (5, 40295996), (10, 20147998), (13, 15498460), (20, 10073999), (26, 7749230), (52, 3874615), (65, 3099692), (89, 2263820), (130, 1549846), (178, 1131910), (260, 774923), (356, 565955), (445, 452764), (890, 226382), (1157, 174140), (1780, 113191), (2314, 87070), (4628, 43535), (5785, 34828), (8707, 23140), (11570, 17414)]