39397900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 89994240

約数和(自身を除く): 50596340

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 179, 284, 310, 355, 358, 620, 710, 716, 775, 895, 1420, 1550, 1775, 1790, 2201, 3100, 3550, 3580, 4402, 4475, 5549, 7100, 8804, 8950, 11005, 11098, 12709, 17900, 22010, 22196, 25418, 27745, 44020, 50836, 55025, 55490, 63545, 110050, 110980, 127090, 138725, 220100, 254180, 277450, 317725, 393979, 554900, 635450, 787958, 1270900, 1575916, 1969895, 3939790, 7879580, 9849475, 19698950, 39397900]

約数ペア:

[(1, 39397900), (2, 19698950), (4, 9849475), (5, 7879580), (10, 3939790), (20, 1969895), (25, 1575916), (31, 1270900), (50, 787958), (62, 635450), (71, 554900), (100, 393979), (124, 317725), (142, 277450), (155, 254180), (179, 220100), (284, 138725), (310, 127090), (355, 110980), (358, 110050), (620, 63545), (710, 55490), (716, 55025), (775, 50836), (895, 44020), (1420, 27745), (1550, 25418), (1775, 22196), (1790, 22010), (2201, 17900), (3100, 12709), (3550, 11098), (3580, 11005), (4402, 8950), (4475, 8804), (5549, 7100)]