239485540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{7883}}^1$

素因数の和:7937

約数の個数: 72

約数和(自身を含む): 603977472

約数和(自身を除く): 364491932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 7883, 15190, 15766, 30380, 31532, 39415, 55181, 78830, 110362, 157660, 220724, 244373, 275905, 386267, 488746, 551810, 772534, 977492, 1103620, 1221865, 1545068, 1710611, 1931335, 2443730, 3421222, 3862670, 4887460, 6842444, 7725340, 8553055, 11974277, 17106110, 23948554, 34212220, 47897108, 59871385, 119742770, 239485540]

約数ペア:

[(1, 239485540), (2, 119742770), (4, 59871385), (5, 47897108), (7, 34212220), (10, 23948554), (14, 17106110), (20, 11974277), (28, 8553055), (31, 7725340), (35, 6842444), (49, 4887460), (62, 3862670), (70, 3421222), (98, 2443730), (124, 1931335), (140, 1710611), (155, 1545068), (196, 1221865), (217, 1103620), (245, 977492), (310, 772534), (434, 551810), (490, 488746), (620, 386267), (868, 275905), (980, 244373), (1085, 220724), (1519, 157660), (2170, 110362), (3038, 78830), (4340, 55181), (6076, 39415), (7595, 31532), (7883, 30380), (15190, 15766)]