177694540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 402911712

約数和(自身を除く): 225217172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 289, 340, 355, 433, 578, 710, 866, 1156, 1207, 1420, 1445, 1732, 2165, 2414, 2890, 4330, 4828, 5780, 6035, 7361, 8660, 12070, 14722, 20519, 24140, 29444, 30743, 36805, 41038, 61486, 73610, 82076, 102595, 122972, 125137, 147220, 153715, 205190, 250274, 307430, 410380, 500548, 522631, 614860, 625685, 1045262, 1251370, 2090524, 2502740, 2613155, 5226310, 8884727, 10452620, 17769454, 35538908, 44423635, 88847270, 177694540]

約数ペア:

[(1, 177694540), (2, 88847270), (4, 44423635), (5, 35538908), (10, 17769454), (17, 10452620), (20, 8884727), (34, 5226310), (68, 2613155), (71, 2502740), (85, 2090524), (142, 1251370), (170, 1045262), (284, 625685), (289, 614860), (340, 522631), (355, 500548), (433, 410380), (578, 307430), (710, 250274), (866, 205190), (1156, 153715), (1207, 147220), (1420, 125137), (1445, 122972), (1732, 102595), (2165, 82076), (2414, 73610), (2890, 61486), (4330, 41038), (4828, 36805), (5780, 30743), (6035, 29444), (7361, 24140), (8660, 20519), (12070, 14722)]