28020250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 58631040

約数和(自身を除く): 30610790

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 347, 425, 475, 646, 694, 850, 950, 1615, 1735, 2125, 2375, 3230, 3470, 4250, 4750, 5899, 6593, 8075, 8675, 11798, 13186, 16150, 17350, 29495, 32965, 40375, 43375, 58990, 65930, 80750, 86750, 112081, 147475, 164825, 224162, 294950, 329650, 560405, 737375, 824125, 1120810, 1474750, 1648250, 2802025, 5604050, 14010125, 28020250]

約数ペア:

[(1, 28020250), (2, 14010125), (5, 5604050), (10, 2802025), (17, 1648250), (19, 1474750), (25, 1120810), (34, 824125), (38, 737375), (50, 560405), (85, 329650), (95, 294950), (125, 224162), (170, 164825), (190, 147475), (250, 112081), (323, 86750), (347, 80750), (425, 65930), (475, 58990), (646, 43375), (694, 40375), (850, 32965), (950, 29495), (1615, 17350), (1735, 16150), (2125, 13186), (2375, 11798), (3230, 8675), (3470, 8075), (4250, 6593), (4750, 5899)]