38643910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 78796800

約数和(自身を除く): 40152890

約数列:

[1, 2, 5, 10, 19, 23, 37, 38, 46, 74, 95, 115, 185, 190, 230, 239, 370, 437, 478, 703, 851, 874, 1195, 1406, 1702, 2185, 2390, 3515, 4255, 4370, 4541, 5497, 7030, 8510, 8843, 9082, 10994, 16169, 17686, 22705, 27485, 32338, 44215, 45410, 54970, 80845, 88430, 104443, 161690, 168017, 203389, 208886, 336034, 406778, 522215, 840085, 1016945, 1044430, 1680170, 2033890, 3864391, 7728782, 19321955, 38643910]

約数ペア:

[(1, 38643910), (2, 19321955), (5, 7728782), (10, 3864391), (19, 2033890), (23, 1680170), (37, 1044430), (38, 1016945), (46, 840085), (74, 522215), (95, 406778), (115, 336034), (185, 208886), (190, 203389), (230, 168017), (239, 161690), (370, 104443), (437, 88430), (478, 80845), (703, 54970), (851, 45410), (874, 44215), (1195, 32338), (1406, 27485), (1702, 22705), (2185, 17686), (2390, 16169), (3515, 10994), (4255, 9082), (4370, 8843), (4541, 8510), (5497, 7030)]