204969720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89899}}^1$

素因数の和:89932

約数の個数: 64

約数和(自身を含む): 647280000

約数和(自身を除く): 442310280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 89899, 179798, 269697, 359596, 449495, 539394, 719192, 898990, 1078788, 1348485, 1708081, 1797980, 2157576, 2696970, 3416162, 3595960, 5124243, 5393940, 6832324, 8540405, 10248486, 10787880, 13664648, 17080810, 20496972, 25621215, 34161620, 40993944, 51242430, 68323240, 102484860, 204969720]

約数ペア:

[(1, 204969720), (2, 102484860), (3, 68323240), (4, 51242430), (5, 40993944), (6, 34161620), (8, 25621215), (10, 20496972), (12, 17080810), (15, 13664648), (19, 10787880), (20, 10248486), (24, 8540405), (30, 6832324), (38, 5393940), (40, 5124243), (57, 3595960), (60, 3416162), (76, 2696970), (95, 2157576), (114, 1797980), (120, 1708081), (152, 1348485), (190, 1078788), (228, 898990), (285, 719192), (380, 539394), (456, 449495), (570, 359596), (760, 269697), (1140, 179798), (2280, 89899)]