238889720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4099}}^1$

素因数の和:4188

約数の個数: 64

約数和(自身を含む): 566784000

約数和(自身を除く): 327894280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2914, 4099, 5828, 7285, 8198, 11656, 14570, 16396, 20495, 29140, 32792, 40990, 58280, 81980, 127069, 163960, 192653, 254138, 385306, 508276, 635345, 770612, 963265, 1016552, 1270690, 1541224, 1926530, 2541380, 3853060, 5082760, 5972243, 7706120, 11944486, 23888972, 29861215, 47777944, 59722430, 119444860, 238889720]

約数ペア:

[(1, 238889720), (2, 119444860), (4, 59722430), (5, 47777944), (8, 29861215), (10, 23888972), (20, 11944486), (31, 7706120), (40, 5972243), (47, 5082760), (62, 3853060), (94, 2541380), (124, 1926530), (155, 1541224), (188, 1270690), (235, 1016552), (248, 963265), (310, 770612), (376, 635345), (470, 508276), (620, 385306), (940, 254138), (1240, 192653), (1457, 163960), (1880, 127069), (2914, 81980), (4099, 58280), (5828, 40990), (7285, 32792), (8198, 29140), (11656, 20495), (14570, 16396)]