985738540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1099

約数の個数: 72

約数和(自身を含む): 2212610400

約数和(自身を除く): 1226871860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 289, 340, 398, 578, 796, 857, 995, 1156, 1445, 1714, 1990, 2890, 3383, 3428, 3980, 4285, 5780, 6766, 8570, 13532, 14569, 16915, 17140, 29138, 33830, 57511, 58276, 67660, 72845, 115022, 145690, 170543, 230044, 247673, 287555, 291380, 341086, 495346, 575110, 682172, 852715, 990692, 1150220, 1238365, 1705430, 2476730, 2899231, 3410860, 4953460, 5798462, 11596924, 14496155, 28992310, 49286927, 57984620, 98573854, 197147708, 246434635, 492869270, 985738540]

約数ペア:

[(1, 985738540), (2, 492869270), (4, 246434635), (5, 197147708), (10, 98573854), (17, 57984620), (20, 49286927), (34, 28992310), (68, 14496155), (85, 11596924), (170, 5798462), (199, 4953460), (289, 3410860), (340, 2899231), (398, 2476730), (578, 1705430), (796, 1238365), (857, 1150220), (995, 990692), (1156, 852715), (1445, 682172), (1714, 575110), (1990, 495346), (2890, 341086), (3383, 291380), (3428, 287555), (3980, 247673), (4285, 230044), (5780, 170543), (6766, 145690), (8570, 115022), (13532, 72845), (14569, 67660), (16915, 58276), (17140, 57511), (29138, 33830)]