1949207820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4640971}}^1$

素因数の和:4640990

約数の個数: 48

約数和(自身を含む): 6237466368

約数和(自身を除く): 4288258548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4640971, 9281942, 13922913, 18563884, 23204855, 27845826, 32486797, 46409710, 55691652, 64973594, 69614565, 92819420, 97460391, 129947188, 139229130, 162433985, 194920782, 278458260, 324867970, 389841564, 487301955, 649735940, 974603910, 1949207820]

約数ペア:

[(1, 1949207820), (2, 974603910), (3, 649735940), (4, 487301955), (5, 389841564), (6, 324867970), (7, 278458260), (10, 194920782), (12, 162433985), (14, 139229130), (15, 129947188), (20, 97460391), (21, 92819420), (28, 69614565), (30, 64973594), (35, 55691652), (42, 46409710), (60, 32486797), (70, 27845826), (84, 23204855), (105, 18563884), (140, 13922913), (210, 9281942), (420, 4640971)]