28223580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 101606400

約数和(自身を除く): 73382820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 41, 42, 44, 55, 60, 66, 70, 77, 82, 84, 105, 110, 123, 132, 140, 149, 154, 164, 165, 205, 210, 220, 231, 246, 287, 298, 308, 330, 385, 410, 420, 447, 451, 462, 492, 574, 596, 615, 660, 745, 770, 820, 861, 894, 902, 924, 1043, 1148, 1155, 1230, 1353, 1435, 1490, 1540, 1639, 1722, 1788, 1804, 2086, 2235, 2255, 2310, 2460, 2706, 2870, 2980, 3129, 3157, 3278, 3444, 4172, 4305, 4470, 4510, 4620, 4917, 5215, 5412, 5740, 6109, 6258, 6314, 6556, 6765, 8195, 8610, 8940, 9020, 9471, 9834, 10430, 11473, 12218, 12516, 12628, 13530, 15645, 15785, 16390, 17220, 18327, 18942, 19668, 20860, 22946, 24436, 24585, 27060, 30545, 31290, 31570, 32780, 34419, 36654, 37884, 42763, 45892, 47355, 49170, 57365, 61090, 62580, 63140, 67199, 68838, 73308, 85526, 91635, 94710, 98340, 114730, 122180, 128289, 134398, 137676, 171052, 172095, 183270, 189420, 201597, 213815, 229460, 256578, 268796, 335995, 344190, 366540, 403194, 427630, 470393, 513156, 641445, 671990, 688380, 806388, 855260, 940786, 1007985, 1282890, 1343980, 1411179, 1881572, 2015970, 2351965, 2565780, 2822358, 4031940, 4703930, 5644716, 7055895, 9407860, 14111790, 28223580]

約数ペア:

[(1, 28223580), (2, 14111790), (3, 9407860), (4, 7055895), (5, 5644716), (6, 4703930), (7, 4031940), (10, 2822358), (11, 2565780), (12, 2351965), (14, 2015970), (15, 1881572), (20, 1411179), (21, 1343980), (22, 1282890), (28, 1007985), (30, 940786), (33, 855260), (35, 806388), (41, 688380), (42, 671990), (44, 641445), (55, 513156), (60, 470393), (66, 427630), (70, 403194), (77, 366540), (82, 344190), (84, 335995), (105, 268796), (110, 256578), (123, 229460), (132, 213815), (140, 201597), (149, 189420), (154, 183270), (164, 172095), (165, 171052), (205, 137676), (210, 134398), (220, 128289), (231, 122180), (246, 114730), (287, 98340), (298, 94710), (308, 91635), (330, 85526), (385, 73308), (410, 68838), (420, 67199), (447, 63140), (451, 62580), (462, 61090), (492, 57365), (574, 49170), (596, 47355), (615, 45892), (660, 42763), (745, 37884), (770, 36654), (820, 34419), (861, 32780), (894, 31570), (902, 31290), (924, 30545), (1043, 27060), (1148, 24585), (1155, 24436), (1230, 22946), (1353, 20860), (1435, 19668), (1490, 18942), (1540, 18327), (1639, 17220), (1722, 16390), (1788, 15785), (1804, 15645), (2086, 13530), (2235, 12628), (2255, 12516), (2310, 12218), (2460, 11473), (2706, 10430), (2870, 9834), (2980, 9471), (3129, 9020), (3157, 8940), (3278, 8610), (3444, 8195), (4172, 6765), (4305, 6556), (4470, 6314), (4510, 6258), (4620, 6109), (4917, 5740), (5215, 5412)]