315778970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83761}}^1$

素因数の和:83810

約数の個数: 32

約数和(自身を含む): 633240720

約数和(自身を除く): 317461750

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 83761, 167522, 418805, 837610, 1088893, 2177786, 2429069, 4858138, 5444465, 10888930, 12145345, 24290690, 31577897, 63155794, 157889485, 315778970]

約数ペア:

[(1, 315778970), (2, 157889485), (5, 63155794), (10, 31577897), (13, 24290690), (26, 12145345), (29, 10888930), (58, 5444465), (65, 4858138), (130, 2429069), (145, 2177786), (290, 1088893), (377, 837610), (754, 418805), (1885, 167522), (3770, 83761)]