7905960040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{7219}}^1$

素因数の和:7391

約数の個数: 128

約数和(自身を含む): 20585664000

約数和(自身を除く): 12679703960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 131, 152, 190, 209, 220, 262, 380, 418, 440, 524, 655, 760, 836, 1045, 1048, 1310, 1441, 1672, 2090, 2489, 2620, 2882, 4180, 4978, 5240, 5764, 7205, 7219, 8360, 9956, 11528, 12445, 14410, 14438, 19912, 24890, 27379, 28820, 28876, 36095, 49780, 54758, 57640, 57752, 72190, 79409, 99560, 109516, 136895, 137161, 144380, 158818, 219032, 273790, 274322, 288760, 317636, 397045, 547580, 548644, 635272, 685805, 794090, 945689, 1095160, 1097288, 1371610, 1508771, 1588180, 1891378, 2743220, 3017542, 3176360, 3782756, 4728445, 5486440, 6035084, 7543855, 7565512, 9456890, 10402579, 12070168, 15087710, 17968091, 18913780, 20805158, 30175420, 35936182, 37827560, 41610316, 52012895, 60350840, 71872364, 83220632, 89840455, 104025790, 143744728, 179680910, 197649001, 208051580, 359361820, 395298002, 416103160, 718723640, 790596004, 988245005, 1581192008, 1976490010, 3952980020, 7905960040]

約数ペア:

[(1, 7905960040), (2, 3952980020), (4, 1976490010), (5, 1581192008), (8, 988245005), (10, 790596004), (11, 718723640), (19, 416103160), (20, 395298002), (22, 359361820), (38, 208051580), (40, 197649001), (44, 179680910), (55, 143744728), (76, 104025790), (88, 89840455), (95, 83220632), (110, 71872364), (131, 60350840), (152, 52012895), (190, 41610316), (209, 37827560), (220, 35936182), (262, 30175420), (380, 20805158), (418, 18913780), (440, 17968091), (524, 15087710), (655, 12070168), (760, 10402579), (836, 9456890), (1045, 7565512), (1048, 7543855), (1310, 6035084), (1441, 5486440), (1672, 4728445), (2090, 3782756), (2489, 3176360), (2620, 3017542), (2882, 2743220), (4180, 1891378), (4978, 1588180), (5240, 1508771), (5764, 1371610), (7205, 1097288), (7219, 1095160), (8360, 945689), (9956, 794090), (11528, 685805), (12445, 635272), (14410, 548644), (14438, 547580), (19912, 397045), (24890, 317636), (27379, 288760), (28820, 274322), (28876, 273790), (36095, 219032), (49780, 158818), (54758, 144380), (57640, 137161), (57752, 136895), (72190, 109516), (79409, 99560)]