91720100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 212673888

約数和(自身を除く): 120953788

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 163, 170, 326, 331, 340, 425, 652, 662, 815, 850, 1324, 1630, 1655, 1700, 2771, 3260, 3310, 4075, 5542, 5627, 6620, 8150, 8275, 11084, 11254, 13855, 16300, 16550, 22508, 27710, 28135, 33100, 53953, 55420, 56270, 69275, 107906, 112540, 138550, 140675, 215812, 269765, 277100, 281350, 539530, 562700, 917201, 1079060, 1348825, 1834402, 2697650, 3668804, 4586005, 5395300, 9172010, 18344020, 22930025, 45860050, 91720100]

約数ペア:

[(1, 91720100), (2, 45860050), (4, 22930025), (5, 18344020), (10, 9172010), (17, 5395300), (20, 4586005), (25, 3668804), (34, 2697650), (50, 1834402), (68, 1348825), (85, 1079060), (100, 917201), (163, 562700), (170, 539530), (326, 281350), (331, 277100), (340, 269765), (425, 215812), (652, 140675), (662, 138550), (815, 112540), (850, 107906), (1324, 69275), (1630, 56270), (1655, 55420), (1700, 53953), (2771, 33100), (3260, 28135), (3310, 27710), (4075, 22508), (5542, 16550), (5627, 16300), (6620, 13855), (8150, 11254), (8275, 11084)]