249367020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31249}}^1$

素因数の和:31287

約数の個数: 96

約数和(自身を含む): 840000000

約数和(自身を除く): 590632980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 31249, 62498, 93747, 124996, 156245, 187494, 218743, 312490, 374988, 437486, 468735, 593731, 624980, 656229, 874972, 937470, 1093715, 1187462, 1312458, 1781193, 1874940, 2187430, 2374924, 2624916, 2968655, 3281145, 3562386, 4156117, 4374860, 5937310, 6562290, 7124772, 8312234, 8905965, 11874620, 12468351, 13124580, 16624468, 17811930, 20780585, 24936702, 35623860, 41561170, 49873404, 62341755, 83122340, 124683510, 249367020]

約数ペア:

[(1, 249367020), (2, 124683510), (3, 83122340), (4, 62341755), (5, 49873404), (6, 41561170), (7, 35623860), (10, 24936702), (12, 20780585), (14, 17811930), (15, 16624468), (19, 13124580), (20, 12468351), (21, 11874620), (28, 8905965), (30, 8312234), (35, 7124772), (38, 6562290), (42, 5937310), (57, 4374860), (60, 4156117), (70, 3562386), (76, 3281145), (84, 2968655), (95, 2624916), (105, 2374924), (114, 2187430), (133, 1874940), (140, 1781193), (190, 1312458), (210, 1187462), (228, 1093715), (266, 937470), (285, 874972), (380, 656229), (399, 624980), (420, 593731), (532, 468735), (570, 437486), (665, 374988), (798, 312490), (1140, 218743), (1330, 187494), (1596, 156245), (1995, 124996), (2660, 93747), (3990, 62498), (7980, 31249)]