13969940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 31281600

約数和(自身を除く): 17311660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 379, 380, 388, 485, 758, 970, 1516, 1843, 1895, 1940, 3686, 3790, 7201, 7372, 7580, 9215, 14402, 18430, 28804, 36005, 36763, 36860, 72010, 73526, 144020, 147052, 183815, 367630, 698497, 735260, 1396994, 2793988, 3492485, 6984970, 13969940]

約数ペア:

[(1, 13969940), (2, 6984970), (4, 3492485), (5, 2793988), (10, 1396994), (19, 735260), (20, 698497), (38, 367630), (76, 183815), (95, 147052), (97, 144020), (190, 73526), (194, 72010), (379, 36860), (380, 36763), (388, 36005), (485, 28804), (758, 18430), (970, 14402), (1516, 9215), (1843, 7580), (1895, 7372), (1940, 7201), (3686, 3790)]