85873460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 194957280

約数和(自身を除く): 109083820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 179, 289, 332, 340, 358, 415, 578, 716, 830, 895, 1156, 1411, 1445, 1660, 1790, 2822, 2890, 3043, 3580, 5644, 5780, 6086, 7055, 12172, 14110, 14857, 15215, 23987, 28220, 29714, 30430, 47974, 51731, 59428, 60860, 74285, 95948, 103462, 119935, 148570, 206924, 239870, 252569, 258655, 297140, 479740, 505138, 517310, 1010276, 1034620, 1262845, 2525690, 4293673, 5051380, 8587346, 17174692, 21468365, 42936730, 85873460]

約数ペア:

[(1, 85873460), (2, 42936730), (4, 21468365), (5, 17174692), (10, 8587346), (17, 5051380), (20, 4293673), (34, 2525690), (68, 1262845), (83, 1034620), (85, 1010276), (166, 517310), (170, 505138), (179, 479740), (289, 297140), (332, 258655), (340, 252569), (358, 239870), (415, 206924), (578, 148570), (716, 119935), (830, 103462), (895, 95948), (1156, 74285), (1411, 60860), (1445, 59428), (1660, 51731), (1790, 47974), (2822, 30430), (2890, 29714), (3043, 28220), (3580, 23987), (5644, 15215), (5780, 14857), (6086, 14110), (7055, 12172)]