197922060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157081}}^1$

素因数の和:157103

約数の個数: 72

約数和(自身を含む): 686134176

約数和(自身を除く): 488212116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 157081, 314162, 471243, 628324, 785405, 942486, 1099567, 1413729, 1570810, 1884972, 2199134, 2356215, 2827458, 3141620, 3298701, 4398268, 4712430, 5497835, 5654916, 6597402, 7068645, 9424860, 9896103, 10995670, 13194804, 14137290, 16493505, 19792206, 21991340, 28274580, 32987010, 39584412, 49480515, 65974020, 98961030, 197922060]

約数ペア:

[(1, 197922060), (2, 98961030), (3, 65974020), (4, 49480515), (5, 39584412), (6, 32987010), (7, 28274580), (9, 21991340), (10, 19792206), (12, 16493505), (14, 14137290), (15, 13194804), (18, 10995670), (20, 9896103), (21, 9424860), (28, 7068645), (30, 6597402), (35, 5654916), (36, 5497835), (42, 4712430), (45, 4398268), (60, 3298701), (63, 3141620), (70, 2827458), (84, 2356215), (90, 2199134), (105, 1884972), (126, 1570810), (140, 1413729), (180, 1099567), (210, 942486), (252, 785405), (315, 628324), (420, 471243), (630, 314162), (1260, 157081)]