42917960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 102600000

約数和(自身を除く): 59682040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 379, 380, 596, 745, 758, 760, 1192, 1490, 1516, 1895, 2831, 2980, 3032, 3790, 5662, 5960, 7201, 7580, 11324, 14155, 14402, 15160, 22648, 28310, 28804, 36005, 56471, 56620, 57608, 72010, 112942, 113240, 144020, 225884, 282355, 288040, 451768, 564710, 1072949, 1129420, 2145898, 2258840, 4291796, 5364745, 8583592, 10729490, 21458980, 42917960]

約数ペア:

[(1, 42917960), (2, 21458980), (4, 10729490), (5, 8583592), (8, 5364745), (10, 4291796), (19, 2258840), (20, 2145898), (38, 1129420), (40, 1072949), (76, 564710), (95, 451768), (149, 288040), (152, 282355), (190, 225884), (298, 144020), (379, 113240), (380, 112942), (596, 72010), (745, 57608), (758, 56620), (760, 56471), (1192, 36005), (1490, 28804), (1516, 28310), (1895, 22648), (2831, 15160), (2980, 14402), (3032, 14155), (3790, 11324), (5662, 7580), (5960, 7201)]