8323140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 28728000

約数和(自身を除く): 20404860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 149, 190, 196, 210, 228, 245, 266, 285, 294, 298, 380, 399, 420, 447, 490, 532, 570, 588, 596, 665, 735, 745, 798, 894, 931, 980, 1043, 1140, 1330, 1470, 1490, 1596, 1788, 1862, 1995, 2086, 2235, 2660, 2793, 2831, 2940, 2980, 3129, 3724, 3990, 4172, 4470, 4655, 5215, 5586, 5662, 6258, 7301, 7980, 8493, 8940, 9310, 10430, 11172, 11324, 12516, 13965, 14155, 14602, 15645, 16986, 18620, 19817, 20860, 21903, 27930, 28310, 29204, 31290, 33972, 36505, 39634, 42465, 43806, 55860, 56620, 59451, 62580, 73010, 79268, 84930, 87612, 99085, 109515, 118902, 138719, 146020, 169860, 198170, 219030, 237804, 277438, 297255, 396340, 416157, 438060, 554876, 594510, 693595, 832314, 1189020, 1387190, 1664628, 2080785, 2774380, 4161570, 8323140]

約数ペア:

[(1, 8323140), (2, 4161570), (3, 2774380), (4, 2080785), (5, 1664628), (6, 1387190), (7, 1189020), (10, 832314), (12, 693595), (14, 594510), (15, 554876), (19, 438060), (20, 416157), (21, 396340), (28, 297255), (30, 277438), (35, 237804), (38, 219030), (42, 198170), (49, 169860), (57, 146020), (60, 138719), (70, 118902), (76, 109515), (84, 99085), (95, 87612), (98, 84930), (105, 79268), (114, 73010), (133, 62580), (140, 59451), (147, 56620), (149, 55860), (190, 43806), (196, 42465), (210, 39634), (228, 36505), (245, 33972), (266, 31290), (285, 29204), (294, 28310), (298, 27930), (380, 21903), (399, 20860), (420, 19817), (447, 18620), (490, 16986), (532, 15645), (570, 14602), (588, 14155), (596, 13965), (665, 12516), (735, 11324), (745, 11172), (798, 10430), (894, 9310), (931, 8940), (980, 8493), (1043, 7980), (1140, 7301), (1330, 6258), (1470, 5662), (1490, 5586), (1596, 5215), (1788, 4655), (1862, 4470), (1995, 4172), (2086, 3990), (2235, 3724), (2660, 3129), (2793, 2980), (2831, 2940)]