78983410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 160704000

約数和(自身を除く): 81720590

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 79, 110, 122, 149, 158, 298, 305, 395, 610, 671, 745, 790, 869, 1342, 1490, 1639, 1738, 3278, 3355, 4345, 4819, 6710, 8195, 8690, 9089, 9638, 11771, 16390, 18178, 23542, 24095, 45445, 48190, 53009, 58855, 90890, 99979, 106018, 117710, 129481, 199958, 258962, 265045, 499895, 530090, 647405, 718031, 999790, 1294810, 1436062, 3590155, 7180310, 7898341, 15796682, 39491705, 78983410]

約数ペア:

[(1, 78983410), (2, 39491705), (5, 15796682), (10, 7898341), (11, 7180310), (22, 3590155), (55, 1436062), (61, 1294810), (79, 999790), (110, 718031), (122, 647405), (149, 530090), (158, 499895), (298, 265045), (305, 258962), (395, 199958), (610, 129481), (671, 117710), (745, 106018), (790, 99979), (869, 90890), (1342, 58855), (1490, 53009), (1639, 48190), (1738, 45445), (3278, 24095), (3355, 23542), (4345, 18178), (4819, 16390), (6710, 11771), (8195, 9638), (8690, 9089)]