7998620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 21073920

約数和(自身を除く): 13075300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 97, 124, 133, 140, 155, 190, 194, 217, 266, 310, 380, 388, 434, 485, 532, 589, 620, 665, 679, 868, 970, 1085, 1178, 1330, 1358, 1843, 1940, 2170, 2356, 2660, 2716, 2945, 3007, 3395, 3686, 4123, 4340, 5890, 6014, 6790, 7372, 8246, 9215, 11780, 12028, 12901, 13580, 15035, 16492, 18430, 20615, 21049, 25802, 30070, 36860, 41230, 42098, 51604, 57133, 60140, 64505, 82460, 84196, 105245, 114266, 129010, 210490, 228532, 258020, 285665, 399931, 420980, 571330, 799862, 1142660, 1599724, 1999655, 3999310, 7998620]

約数ペア:

[(1, 7998620), (2, 3999310), (4, 1999655), (5, 1599724), (7, 1142660), (10, 799862), (14, 571330), (19, 420980), (20, 399931), (28, 285665), (31, 258020), (35, 228532), (38, 210490), (62, 129010), (70, 114266), (76, 105245), (95, 84196), (97, 82460), (124, 64505), (133, 60140), (140, 57133), (155, 51604), (190, 42098), (194, 41230), (217, 36860), (266, 30070), (310, 25802), (380, 21049), (388, 20615), (434, 18430), (485, 16492), (532, 15035), (589, 13580), (620, 12901), (665, 12028), (679, 11780), (868, 9215), (970, 8246), (1085, 7372), (1178, 6790), (1330, 6014), (1358, 5890), (1843, 4340), (1940, 4123), (2170, 3686), (2356, 3395), (2660, 3007), (2716, 2945)]