209180240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4157}}^1$

素因数の和:4224

約数の個数: 80

約数和(自身を含む): 528997392

約数和(自身を除く): 319817152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 629, 680, 740, 1258, 1360, 1480, 2516, 2960, 3145, 4157, 5032, 6290, 8314, 10064, 12580, 16628, 20785, 25160, 33256, 41570, 50320, 66512, 70669, 83140, 141338, 153809, 166280, 282676, 307618, 332560, 353345, 565352, 615236, 706690, 769045, 1130704, 1230472, 1413380, 1538090, 2460944, 2614753, 2826760, 3076180, 5229506, 5653520, 6152360, 10459012, 12304720, 13073765, 20918024, 26147530, 41836048, 52295060, 104590120, 209180240]

約数ペア:

[(1, 209180240), (2, 104590120), (4, 52295060), (5, 41836048), (8, 26147530), (10, 20918024), (16, 13073765), (17, 12304720), (20, 10459012), (34, 6152360), (37, 5653520), (40, 5229506), (68, 3076180), (74, 2826760), (80, 2614753), (85, 2460944), (136, 1538090), (148, 1413380), (170, 1230472), (185, 1130704), (272, 769045), (296, 706690), (340, 615236), (370, 565352), (592, 353345), (629, 332560), (680, 307618), (740, 282676), (1258, 166280), (1360, 153809), (1480, 141338), (2516, 83140), (2960, 70669), (3145, 66512), (4157, 50320), (5032, 41570), (6290, 33256), (8314, 25160), (10064, 20785), (12580, 16628)]