355480720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20477}}^1$

素因数の和:20528

約数の個数: 80

約数和(自身を含む): 975080448

約数和(自身を除く): 619599728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 20477, 40954, 81908, 102385, 143339, 163816, 204770, 286678, 327632, 409540, 573356, 634787, 716695, 819080, 1146712, 1269574, 1433390, 1638160, 2293424, 2539148, 2866780, 3173935, 4443509, 5078296, 5733560, 6347870, 8887018, 10156592, 11467120, 12695740, 17774036, 22217545, 25391480, 35548072, 44435090, 50782960, 71096144, 88870180, 177740360, 355480720]

約数ペア:

[(1, 355480720), (2, 177740360), (4, 88870180), (5, 71096144), (7, 50782960), (8, 44435090), (10, 35548072), (14, 25391480), (16, 22217545), (20, 17774036), (28, 12695740), (31, 11467120), (35, 10156592), (40, 8887018), (56, 6347870), (62, 5733560), (70, 5078296), (80, 4443509), (112, 3173935), (124, 2866780), (140, 2539148), (155, 2293424), (217, 1638160), (248, 1433390), (280, 1269574), (310, 1146712), (434, 819080), (496, 716695), (560, 634787), (620, 573356), (868, 409540), (1085, 327632), (1240, 286678), (1736, 204770), (2170, 163816), (2480, 143339), (3472, 102385), (4340, 81908), (8680, 40954), (17360, 20477)]