398908580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{7639}}^1$

素因数の和:8028

約数の個数: 48

約数和(自身を含む): 960072960

約数和(自身を除く): 561164380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 746, 1492, 1865, 2611, 3730, 5222, 7460, 7639, 10444, 13055, 15278, 26110, 30556, 38195, 52220, 53473, 76390, 106946, 152780, 213892, 267365, 534730, 1069460, 2849347, 5698694, 11397388, 14246735, 19945429, 28493470, 39890858, 56986940, 79781716, 99727145, 199454290, 398908580]

約数ペア:

[(1, 398908580), (2, 199454290), (4, 99727145), (5, 79781716), (7, 56986940), (10, 39890858), (14, 28493470), (20, 19945429), (28, 14246735), (35, 11397388), (70, 5698694), (140, 2849347), (373, 1069460), (746, 534730), (1492, 267365), (1865, 213892), (2611, 152780), (3730, 106946), (5222, 76390), (7460, 53473), (7639, 52220), (10444, 38195), (13055, 30556), (15278, 26110)]