628203760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{2557}}^1$

素因数の和:2690

約数の個数: 80

約数和(自身を含む): 1518715296

約数和(自身を除く): 890511536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 83, 148, 166, 185, 296, 332, 370, 415, 592, 664, 740, 830, 1328, 1480, 1660, 2557, 2960, 3071, 3320, 5114, 6142, 6640, 10228, 12284, 12785, 15355, 20456, 24568, 25570, 30710, 40912, 49136, 51140, 61420, 94609, 102280, 122840, 189218, 204560, 212231, 245680, 378436, 424462, 473045, 756872, 848924, 946090, 1061155, 1513744, 1697848, 1892180, 2122310, 3395696, 3784360, 4244620, 7568720, 7852547, 8489240, 15705094, 16978480, 31410188, 39262735, 62820376, 78525470, 125640752, 157050940, 314101880, 628203760]

約数ペア:

[(1, 628203760), (2, 314101880), (4, 157050940), (5, 125640752), (8, 78525470), (10, 62820376), (16, 39262735), (20, 31410188), (37, 16978480), (40, 15705094), (74, 8489240), (80, 7852547), (83, 7568720), (148, 4244620), (166, 3784360), (185, 3395696), (296, 2122310), (332, 1892180), (370, 1697848), (415, 1513744), (592, 1061155), (664, 946090), (740, 848924), (830, 756872), (1328, 473045), (1480, 424462), (1660, 378436), (2557, 245680), (2960, 212231), (3071, 204560), (3320, 189218), (5114, 122840), (6142, 102280), (6640, 94609), (10228, 61420), (12284, 51140), (12785, 49136), (15355, 40912), (20456, 30710), (24568, 25570)]