490633160

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 1119744000

約数和(自身を除く): 629110840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 191, 298, 382, 431, 596, 745, 764, 862, 955, 1192, 1490, 1528, 1724, 1910, 2155, 2980, 3448, 3820, 4310, 5960, 7640, 8620, 17240, 28459, 56918, 64219, 82321, 113836, 128438, 142295, 164642, 227672, 256876, 284590, 321095, 329284, 411605, 513752, 569180, 642190, 658568, 823210, 1138360, 1284380, 1646420, 2568760, 3292840, 12265829, 24531658, 49063316, 61329145, 98126632, 122658290, 245316580, 490633160]

約数ペア:

[(1, 490633160), (2, 245316580), (4, 122658290), (5, 98126632), (8, 61329145), (10, 49063316), (20, 24531658), (40, 12265829), (149, 3292840), (191, 2568760), (298, 1646420), (382, 1284380), (431, 1138360), (596, 823210), (745, 658568), (764, 642190), (862, 569180), (955, 513752), (1192, 411605), (1490, 329284), (1528, 321095), (1724, 284590), (1910, 256876), (2155, 227672), (2980, 164642), (3448, 142295), (3820, 128438), (4310, 113836), (5960, 82321), (7640, 64219), (8620, 56918), (17240, 28459)]