887311390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 1850428800

約数和(自身を除く): 963117410

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 241, 298, 353, 482, 706, 745, 1043, 1205, 1490, 1687, 1765, 2086, 2410, 2471, 3374, 3530, 4942, 5215, 8435, 10430, 12355, 16870, 24710, 35909, 52597, 71818, 85073, 105194, 170146, 179545, 251363, 262985, 359090, 368179, 425365, 502726, 525970, 595511, 736358, 850730, 1191022, 1256815, 1840895, 2513630, 2977555, 3681790, 5955110, 12675877, 25351754, 63379385, 88731139, 126758770, 177462278, 443655695, 887311390]

約数ペア:

[(1, 887311390), (2, 443655695), (5, 177462278), (7, 126758770), (10, 88731139), (14, 63379385), (35, 25351754), (70, 12675877), (149, 5955110), (241, 3681790), (298, 2977555), (353, 2513630), (482, 1840895), (706, 1256815), (745, 1191022), (1043, 850730), (1205, 736358), (1490, 595511), (1687, 525970), (1765, 502726), (2086, 425365), (2410, 368179), (2471, 359090), (3374, 262985), (3530, 251363), (4942, 179545), (5215, 170146), (8435, 105194), (10430, 85073), (12355, 71818), (16870, 52597), (24710, 35909)]