201957990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2861}}^1$

素因数の和:3065

約数の個数: 64

約数和(自身を含む): 525051072

約数和(自身を除く): 323093082

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 181, 195, 362, 390, 543, 905, 1086, 1810, 2353, 2715, 2861, 4706, 5430, 5722, 7059, 8583, 11765, 14118, 14305, 17166, 23530, 28610, 35295, 37193, 42915, 70590, 74386, 85830, 111579, 185965, 223158, 371930, 517841, 557895, 1035682, 1115790, 1553523, 2589205, 3107046, 5178410, 6731933, 7767615, 13463866, 15535230, 20195799, 33659665, 40391598, 67319330, 100978995, 201957990]

約数ペア:

[(1, 201957990), (2, 100978995), (3, 67319330), (5, 40391598), (6, 33659665), (10, 20195799), (13, 15535230), (15, 13463866), (26, 7767615), (30, 6731933), (39, 5178410), (65, 3107046), (78, 2589205), (130, 1553523), (181, 1115790), (195, 1035682), (362, 557895), (390, 517841), (543, 371930), (905, 223158), (1086, 185965), (1810, 111579), (2353, 85830), (2715, 74386), (2861, 70590), (4706, 42915), (5430, 37193), (5722, 35295), (7059, 28610), (8583, 23530), (11765, 17166), (14118, 14305)]