20193540100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{625187}}^1$

素因数の和:625237

約数の個数: 72

約数和(自身を含む): 48839686560

約数和(自身を除く): 28646146460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 1292, 1615, 1700, 1900, 3230, 6460, 8075, 16150, 32300, 625187, 1250374, 2500748, 3125935, 6251870, 10628179, 11878553, 12503740, 15629675, 21256358, 23757106, 31259350, 42512716, 47514212, 53140895, 59392765, 62518700, 106281790, 118785530, 201935401, 212563580, 237571060, 265704475, 296963825, 403870802, 531408950, 593927650, 807741604, 1009677005, 1062817900, 1187855300, 2019354010, 4038708020, 5048385025, 10096770050, 20193540100]

約数ペア:

[(1, 20193540100), (2, 10096770050), (4, 5048385025), (5, 4038708020), (10, 2019354010), (17, 1187855300), (19, 1062817900), (20, 1009677005), (25, 807741604), (34, 593927650), (38, 531408950), (50, 403870802), (68, 296963825), (76, 265704475), (85, 237571060), (95, 212563580), (100, 201935401), (170, 118785530), (190, 106281790), (323, 62518700), (340, 59392765), (380, 53140895), (425, 47514212), (475, 42512716), (646, 31259350), (850, 23757106), (950, 21256358), (1292, 15629675), (1615, 12503740), (1700, 11878553), (1900, 10628179), (3230, 6251870), (6460, 3125935), (8075, 2500748), (16150, 1250374), (32300, 625187)]