626239240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 1631145600

約数和(自身を除く): 1004906360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 173, 190, 209, 220, 346, 380, 418, 433, 440, 692, 760, 836, 865, 866, 1045, 1384, 1672, 1730, 1732, 1903, 2090, 2165, 3287, 3460, 3464, 3806, 4180, 4330, 4763, 6574, 6920, 7612, 8227, 8360, 8660, 9515, 9526, 13148, 15224, 16435, 16454, 17320, 19030, 19052, 23815, 26296, 32870, 32908, 36157, 38060, 38104, 41135, 47630, 65740, 65816, 72314, 74909, 76120, 82270, 90497, 95260, 131480, 144628, 149818, 164540, 180785, 180994, 190520, 289256, 299636, 329080, 361570, 361988, 374545, 452485, 599272, 723140, 723976, 749090, 823999, 904970, 1423271, 1446280, 1498180, 1647998, 1809940, 2846542, 2996360, 3295996, 3619880, 4119995, 5693084, 6591992, 7116355, 8239990, 11386168, 14232710, 15655981, 16479980, 28465420, 31311962, 32959960, 56930840, 62623924, 78279905, 125247848, 156559810, 313119620, 626239240]

約数ペア:

[(1, 626239240), (2, 313119620), (4, 156559810), (5, 125247848), (8, 78279905), (10, 62623924), (11, 56930840), (19, 32959960), (20, 31311962), (22, 28465420), (38, 16479980), (40, 15655981), (44, 14232710), (55, 11386168), (76, 8239990), (88, 7116355), (95, 6591992), (110, 5693084), (152, 4119995), (173, 3619880), (190, 3295996), (209, 2996360), (220, 2846542), (346, 1809940), (380, 1647998), (418, 1498180), (433, 1446280), (440, 1423271), (692, 904970), (760, 823999), (836, 749090), (865, 723976), (866, 723140), (1045, 599272), (1384, 452485), (1672, 374545), (1730, 361988), (1732, 361570), (1903, 329080), (2090, 299636), (2165, 289256), (3287, 190520), (3460, 180994), (3464, 180785), (3806, 164540), (4180, 149818), (4330, 144628), (4763, 131480), (6574, 95260), (6920, 90497), (7612, 82270), (8227, 76120), (8360, 74909), (8660, 72314), (9515, 65816), (9526, 65740), (13148, 47630), (15224, 41135), (16435, 38104), (16454, 38060), (17320, 36157), (19030, 32908), (19052, 32870), (23815, 26296)]