200403980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19609}}^1$

素因数の和:19698

約数の個数: 48

約数和(自身を含む): 487583040

約数和(自身を除く): 287179060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 19609, 39218, 78436, 98045, 137263, 196090, 274526, 392180, 549052, 686315, 1372630, 1431457, 2745260, 2862914, 5725828, 7157285, 10020199, 14314570, 20040398, 28629140, 40080796, 50100995, 100201990, 200403980]

約数ペア:

[(1, 200403980), (2, 100201990), (4, 50100995), (5, 40080796), (7, 28629140), (10, 20040398), (14, 14314570), (20, 10020199), (28, 7157285), (35, 5725828), (70, 2862914), (73, 2745260), (140, 1431457), (146, 1372630), (292, 686315), (365, 549052), (511, 392180), (730, 274526), (1022, 196090), (1460, 137263), (2044, 98045), (2555, 78436), (5110, 39218), (10220, 19609)]