205246020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21247}}^1$

素因数の和:21289

約数の個数: 96

約数和(自身を含む): 685375488

約数和(自身を除く): 480129468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 21247, 42494, 63741, 84988, 106235, 127482, 148729, 212470, 254964, 297458, 318705, 424940, 446187, 488681, 594916, 637410, 743645, 892374, 977362, 1274820, 1466043, 1487290, 1784748, 1954724, 2230935, 2443405, 2932086, 2974580, 3420767, 4461870, 4886810, 5864172, 6841534, 7330215, 8923740, 9773620, 10262301, 13683068, 14660430, 17103835, 20524602, 29320860, 34207670, 41049204, 51311505, 68415340, 102623010, 205246020]

約数ペア:

[(1, 205246020), (2, 102623010), (3, 68415340), (4, 51311505), (5, 41049204), (6, 34207670), (7, 29320860), (10, 20524602), (12, 17103835), (14, 14660430), (15, 13683068), (20, 10262301), (21, 9773620), (23, 8923740), (28, 7330215), (30, 6841534), (35, 5864172), (42, 4886810), (46, 4461870), (60, 3420767), (69, 2974580), (70, 2932086), (84, 2443405), (92, 2230935), (105, 1954724), (115, 1784748), (138, 1487290), (140, 1466043), (161, 1274820), (210, 977362), (230, 892374), (276, 743645), (322, 637410), (345, 594916), (420, 488681), (460, 446187), (483, 424940), (644, 318705), (690, 297458), (805, 254964), (966, 212470), (1380, 148729), (1610, 127482), (1932, 106235), (2415, 84988), (3220, 63741), (4830, 42494), (9660, 21247)]