217508720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19013}}^1$

素因数の和:19050

約数の個数: 80

約数和(自身を含む): 594149472

約数和(自身を除く): 376640752

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 19013, 38026, 76052, 95065, 152104, 190130, 209143, 247169, 304208, 380260, 418286, 494338, 760520, 836572, 988676, 1045715, 1235845, 1521040, 1673144, 1977352, 2091430, 2471690, 2718859, 3346288, 3954704, 4182860, 4943380, 5437718, 8365720, 9886760, 10875436, 13594295, 16731440, 19773520, 21750872, 27188590, 43501744, 54377180, 108754360, 217508720]

約数ペア:

[(1, 217508720), (2, 108754360), (4, 54377180), (5, 43501744), (8, 27188590), (10, 21750872), (11, 19773520), (13, 16731440), (16, 13594295), (20, 10875436), (22, 9886760), (26, 8365720), (40, 5437718), (44, 4943380), (52, 4182860), (55, 3954704), (65, 3346288), (80, 2718859), (88, 2471690), (104, 2091430), (110, 1977352), (130, 1673144), (143, 1521040), (176, 1235845), (208, 1045715), (220, 988676), (260, 836572), (286, 760520), (440, 494338), (520, 418286), (572, 380260), (715, 304208), (880, 247169), (1040, 209143), (1144, 190130), (1430, 152104), (2288, 95065), (2860, 76052), (5720, 38026), (11440, 19013)]