220013840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 529251840

約数和(自身を除く): 309238000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 239, 296, 311, 370, 478, 592, 622, 740, 956, 1195, 1244, 1480, 1555, 1912, 2390, 2488, 2960, 3110, 3824, 4780, 4976, 6220, 8843, 9560, 11507, 12440, 17686, 19120, 23014, 24880, 35372, 44215, 46028, 57535, 70744, 74329, 88430, 92056, 115070, 141488, 148658, 176860, 184112, 230140, 297316, 353720, 371645, 460280, 594632, 707440, 743290, 920560, 1189264, 1486580, 2750173, 2973160, 5500346, 5946320, 11000692, 13750865, 22001384, 27501730, 44002768, 55003460, 110006920, 220013840]

約数ペア:

[(1, 220013840), (2, 110006920), (4, 55003460), (5, 44002768), (8, 27501730), (10, 22001384), (16, 13750865), (20, 11000692), (37, 5946320), (40, 5500346), (74, 2973160), (80, 2750173), (148, 1486580), (185, 1189264), (239, 920560), (296, 743290), (311, 707440), (370, 594632), (478, 460280), (592, 371645), (622, 353720), (740, 297316), (956, 230140), (1195, 184112), (1244, 176860), (1480, 148658), (1555, 141488), (1912, 115070), (2390, 92056), (2488, 88430), (2960, 74329), (3110, 70744), (3824, 57535), (4780, 46028), (4976, 44215), (6220, 35372), (8843, 24880), (9560, 23014), (11507, 19120), (12440, 17686)]