198922290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1861}}^1$

素因数の和:2387

約数の個数: 64

約数和(自身を含む): 546981120

約数和(自身を除く): 348058830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 509, 1018, 1527, 1861, 2545, 3054, 3563, 3722, 5090, 5583, 7126, 7635, 9305, 10689, 11166, 13027, 15270, 17815, 18610, 21378, 26054, 27915, 35630, 39081, 53445, 55830, 65135, 78162, 106890, 130270, 195405, 390810, 947249, 1894498, 2841747, 4736245, 5683494, 6630743, 9472490, 13261486, 14208735, 19892229, 28417470, 33153715, 39784458, 66307430, 99461145, 198922290]

約数ペア:

[(1, 198922290), (2, 99461145), (3, 66307430), (5, 39784458), (6, 33153715), (7, 28417470), (10, 19892229), (14, 14208735), (15, 13261486), (21, 9472490), (30, 6630743), (35, 5683494), (42, 4736245), (70, 2841747), (105, 1894498), (210, 947249), (509, 390810), (1018, 195405), (1527, 130270), (1861, 106890), (2545, 78162), (3054, 65135), (3563, 55830), (3722, 53445), (5090, 39081), (5583, 35630), (7126, 27915), (7635, 26054), (9305, 21378), (10689, 18610), (11166, 17815), (13027, 15270)]