99970020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29231}}^1$

素因数の和:29265

約数の個数: 72

約数和(自身を含む): 319213440

約数和(自身を除く): 219243420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 29231, 58462, 87693, 116924, 146155, 175386, 263079, 292310, 350772, 438465, 526158, 555389, 584620, 876930, 1052316, 1110778, 1315395, 1666167, 1753860, 2221556, 2630790, 2776945, 3332334, 4998501, 5261580, 5553890, 6664668, 8330835, 9997002, 11107780, 16661670, 19994004, 24992505, 33323340, 49985010, 99970020]

約数ペア:

[(1, 99970020), (2, 49985010), (3, 33323340), (4, 24992505), (5, 19994004), (6, 16661670), (9, 11107780), (10, 9997002), (12, 8330835), (15, 6664668), (18, 5553890), (19, 5261580), (20, 4998501), (30, 3332334), (36, 2776945), (38, 2630790), (45, 2221556), (57, 1753860), (60, 1666167), (76, 1315395), (90, 1110778), (95, 1052316), (114, 876930), (171, 584620), (180, 555389), (190, 526158), (228, 438465), (285, 350772), (342, 292310), (380, 263079), (570, 175386), (684, 146155), (855, 116924), (1140, 87693), (1710, 58462), (3420, 29231)]