64870130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 134719200

約数和(自身を除く): 69849070

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 149, 170, 197, 221, 298, 394, 442, 745, 985, 1105, 1490, 1937, 1970, 2210, 2533, 2561, 3349, 3874, 5066, 5122, 6698, 9685, 12665, 12805, 16745, 19370, 25330, 25610, 29353, 32929, 33490, 43537, 58706, 65858, 87074, 146765, 164645, 217685, 293530, 329290, 381589, 435370, 499001, 763178, 998002, 1907945, 2495005, 3815890, 4990010, 6487013, 12974026, 32435065, 64870130]

約数ペア:

[(1, 64870130), (2, 32435065), (5, 12974026), (10, 6487013), (13, 4990010), (17, 3815890), (26, 2495005), (34, 1907945), (65, 998002), (85, 763178), (130, 499001), (149, 435370), (170, 381589), (197, 329290), (221, 293530), (298, 217685), (394, 164645), (442, 146765), (745, 87074), (985, 65858), (1105, 58706), (1490, 43537), (1937, 33490), (1970, 32929), (2210, 29353), (2533, 25610), (2561, 25330), (3349, 19370), (3874, 16745), (5066, 12805), (5122, 12665), (6698, 9685)]