1520389900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{769}}^1\times {\mathrm{1163}}^1$

素因数の和:1963

約数の個数: 72

約数和(自身を含む): 3500869680

約数和(自身を除く): 1980479780

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 769, 850, 1163, 1538, 1700, 2326, 3076, 3845, 4652, 5815, 7690, 11630, 13073, 15380, 19225, 19771, 23260, 26146, 29075, 38450, 39542, 52292, 58150, 65365, 76900, 79084, 98855, 116300, 130730, 197710, 261460, 326825, 395420, 494275, 653650, 894347, 988550, 1307300, 1788694, 1977100, 3577388, 4471735, 8943470, 15203899, 17886940, 22358675, 30407798, 44717350, 60815596, 76019495, 89434700, 152038990, 304077980, 380097475, 760194950, 1520389900]

約数ペア:

[(1, 1520389900), (2, 760194950), (4, 380097475), (5, 304077980), (10, 152038990), (17, 89434700), (20, 76019495), (25, 60815596), (34, 44717350), (50, 30407798), (68, 22358675), (85, 17886940), (100, 15203899), (170, 8943470), (340, 4471735), (425, 3577388), (769, 1977100), (850, 1788694), (1163, 1307300), (1538, 988550), (1700, 894347), (2326, 653650), (3076, 494275), (3845, 395420), (4652, 326825), (5815, 261460), (7690, 197710), (11630, 130730), (13073, 116300), (15380, 98855), (19225, 79084), (19771, 76900), (23260, 65365), (26146, 58150), (29075, 52292), (38450, 39542)]