308977620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1318

約数の個数: 192

約数和(自身を含む): 1075200000

約数和(自身を除く): 766222380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 124, 133, 140, 155, 186, 190, 210, 217, 228, 266, 285, 310, 372, 380, 399, 420, 434, 465, 532, 570, 589, 620, 651, 665, 798, 868, 930, 1085, 1140, 1178, 1249, 1302, 1330, 1596, 1767, 1860, 1995, 2170, 2356, 2498, 2604, 2660, 2945, 3255, 3534, 3747, 3990, 4123, 4340, 4996, 5890, 6245, 6510, 7068, 7494, 7980, 8246, 8743, 8835, 11780, 12369, 12490, 13020, 14988, 16492, 17486, 17670, 18735, 20615, 23731, 24738, 24980, 26229, 34972, 35340, 37470, 38719, 41230, 43715, 47462, 49476, 52458, 61845, 71193, 74940, 77438, 82460, 87430, 94924, 104916, 116157, 118655, 123690, 131145, 142386, 154876, 166117, 174860, 193595, 232314, 237310, 247380, 262290, 271033, 284772, 332234, 355965, 387190, 464628, 474620, 498351, 524580, 542066, 580785, 664468, 711930, 735661, 774380, 813099, 830585, 996702, 1084132, 1161570, 1355165, 1423860, 1471322, 1626198, 1661170, 1993404, 2206983, 2323140, 2491755, 2710330, 2942644, 3252396, 3322340, 3678305, 4065495, 4413966, 4983510, 5149627, 5420660, 7356610, 8130990, 8827932, 9967020, 10299254, 11034915, 14713220, 15448881, 16261980, 20598508, 22069830, 25748135, 30897762, 44139660, 51496270, 61795524, 77244405, 102992540, 154488810, 308977620]

約数ペア:

[(1, 308977620), (2, 154488810), (3, 102992540), (4, 77244405), (5, 61795524), (6, 51496270), (7, 44139660), (10, 30897762), (12, 25748135), (14, 22069830), (15, 20598508), (19, 16261980), (20, 15448881), (21, 14713220), (28, 11034915), (30, 10299254), (31, 9967020), (35, 8827932), (38, 8130990), (42, 7356610), (57, 5420660), (60, 5149627), (62, 4983510), (70, 4413966), (76, 4065495), (84, 3678305), (93, 3322340), (95, 3252396), (105, 2942644), (114, 2710330), (124, 2491755), (133, 2323140), (140, 2206983), (155, 1993404), (186, 1661170), (190, 1626198), (210, 1471322), (217, 1423860), (228, 1355165), (266, 1161570), (285, 1084132), (310, 996702), (372, 830585), (380, 813099), (399, 774380), (420, 735661), (434, 711930), (465, 664468), (532, 580785), (570, 542066), (589, 524580), (620, 498351), (651, 474620), (665, 464628), (798, 387190), (868, 355965), (930, 332234), (1085, 284772), (1140, 271033), (1178, 262290), (1249, 247380), (1302, 237310), (1330, 232314), (1596, 193595), (1767, 174860), (1860, 166117), (1995, 154876), (2170, 142386), (2356, 131145), (2498, 123690), (2604, 118655), (2660, 116157), (2945, 104916), (3255, 94924), (3534, 87430), (3747, 82460), (3990, 77438), (4123, 74940), (4340, 71193), (4996, 61845), (5890, 52458), (6245, 49476), (6510, 47462), (7068, 43715), (7494, 41230), (7980, 38719), (8246, 37470), (8743, 35340), (8835, 34972), (11780, 26229), (12369, 24980), (12490, 24738), (13020, 23731), (14988, 20615), (16492, 18735), (17486, 17670)]