259653940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 693781200

約数和(自身を除く): 434127260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 89, 91, 98, 130, 140, 178, 182, 196, 229, 245, 260, 356, 364, 445, 455, 458, 490, 623, 637, 890, 910, 916, 980, 1145, 1157, 1246, 1274, 1603, 1780, 1820, 2290, 2314, 2492, 2548, 2977, 3115, 3185, 3206, 4361, 4580, 4628, 5785, 5954, 6230, 6370, 6412, 8015, 8099, 8722, 11221, 11570, 11908, 12460, 12740, 14885, 16030, 16198, 17444, 20381, 20839, 21805, 22442, 23140, 29770, 32060, 32396, 40495, 40762, 41678, 43610, 44884, 56105, 56693, 59540, 80990, 81524, 83356, 87220, 101905, 104195, 112210, 113386, 142667, 145873, 161980, 203810, 208390, 224420, 226772, 264953, 283465, 285334, 291746, 407620, 416780, 529906, 566930, 570668, 583492, 713335, 729365, 998669, 1059812, 1133860, 1324765, 1426670, 1458730, 1854671, 1997338, 2649530, 2853340, 2917460, 3709342, 3994676, 4993345, 5299060, 7418684, 9273355, 9986690, 12982697, 18546710, 19973380, 25965394, 37093420, 51930788, 64913485, 129826970, 259653940]

約数ペア:

[(1, 259653940), (2, 129826970), (4, 64913485), (5, 51930788), (7, 37093420), (10, 25965394), (13, 19973380), (14, 18546710), (20, 12982697), (26, 9986690), (28, 9273355), (35, 7418684), (49, 5299060), (52, 4993345), (65, 3994676), (70, 3709342), (89, 2917460), (91, 2853340), (98, 2649530), (130, 1997338), (140, 1854671), (178, 1458730), (182, 1426670), (196, 1324765), (229, 1133860), (245, 1059812), (260, 998669), (356, 729365), (364, 713335), (445, 583492), (455, 570668), (458, 566930), (490, 529906), (623, 416780), (637, 407620), (890, 291746), (910, 285334), (916, 283465), (980, 264953), (1145, 226772), (1157, 224420), (1246, 208390), (1274, 203810), (1603, 161980), (1780, 145873), (1820, 142667), (2290, 113386), (2314, 112210), (2492, 104195), (2548, 101905), (2977, 87220), (3115, 83356), (3185, 81524), (3206, 80990), (4361, 59540), (4580, 56693), (4628, 56105), (5785, 44884), (5954, 43610), (6230, 41678), (6370, 40762), (6412, 40495), (8015, 32396), (8099, 32060), (8722, 29770), (11221, 23140), (11570, 22442), (11908, 21805), (12460, 20839), (12740, 20381), (14885, 17444), (16030, 16198)]