389969300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 1031184000

約数和(自身を除く): 641214700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 109, 133, 140, 175, 190, 218, 266, 269, 350, 380, 436, 475, 532, 538, 545, 665, 700, 763, 950, 1076, 1090, 1330, 1345, 1526, 1883, 1900, 2071, 2180, 2660, 2690, 2725, 3052, 3325, 3766, 3815, 4142, 5111, 5380, 5450, 6650, 6725, 7532, 7630, 8284, 9415, 10222, 10355, 10900, 13300, 13450, 14497, 15260, 18830, 19075, 20444, 20710, 25555, 26900, 28994, 29321, 35777, 37660, 38150, 41420, 47075, 51110, 51775, 57988, 58642, 71554, 72485, 76300, 94150, 102220, 103550, 117284, 127775, 143108, 144970, 146605, 178885, 188300, 205247, 207100, 255550, 289940, 293210, 357770, 362425, 410494, 511100, 557099, 586420, 715540, 724850, 733025, 820988, 894425, 1026235, 1114198, 1449700, 1466050, 1788850, 2052470, 2228396, 2785495, 2932100, 3577700, 3899693, 4104940, 5131175, 5570990, 7799386, 10262350, 11141980, 13927475, 15598772, 19498465, 20524700, 27854950, 38996930, 55709900, 77993860, 97492325, 194984650, 389969300]

約数ペア:

[(1, 389969300), (2, 194984650), (4, 97492325), (5, 77993860), (7, 55709900), (10, 38996930), (14, 27854950), (19, 20524700), (20, 19498465), (25, 15598772), (28, 13927475), (35, 11141980), (38, 10262350), (50, 7799386), (70, 5570990), (76, 5131175), (95, 4104940), (100, 3899693), (109, 3577700), (133, 2932100), (140, 2785495), (175, 2228396), (190, 2052470), (218, 1788850), (266, 1466050), (269, 1449700), (350, 1114198), (380, 1026235), (436, 894425), (475, 820988), (532, 733025), (538, 724850), (545, 715540), (665, 586420), (700, 557099), (763, 511100), (950, 410494), (1076, 362425), (1090, 357770), (1330, 293210), (1345, 289940), (1526, 255550), (1883, 207100), (1900, 205247), (2071, 188300), (2180, 178885), (2660, 146605), (2690, 144970), (2725, 143108), (3052, 127775), (3325, 117284), (3766, 103550), (3815, 102220), (4142, 94150), (5111, 76300), (5380, 72485), (5450, 71554), (6650, 58642), (6725, 57988), (7532, 51775), (7630, 51110), (8284, 47075), (9415, 41420), (10222, 38150), (10355, 37660), (10900, 35777), (13300, 29321), (13450, 28994), (14497, 26900), (15260, 25555), (18830, 20710), (19075, 20444)]