219590980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2729

約数の個数: 96

約数和(自身を含む): 572866560

約数和(自身を除く): 353275580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 1085, 1178, 1330, 2170, 2356, 2660, 2663, 2945, 4123, 4340, 5326, 5890, 8246, 10652, 11780, 13315, 16492, 18641, 20615, 26630, 37282, 41230, 50597, 53260, 74564, 82460, 82553, 93205, 101194, 165106, 186410, 202388, 252985, 330212, 354179, 372820, 412765, 505970, 577871, 708358, 825530, 1011940, 1155742, 1416716, 1568507, 1651060, 1770895, 2311484, 2889355, 3137014, 3541790, 5778710, 6274028, 7083580, 7842535, 10979549, 11557420, 15685070, 21959098, 31370140, 43918196, 54897745, 109795490, 219590980]

約数ペア:

[(1, 219590980), (2, 109795490), (4, 54897745), (5, 43918196), (7, 31370140), (10, 21959098), (14, 15685070), (19, 11557420), (20, 10979549), (28, 7842535), (31, 7083580), (35, 6274028), (38, 5778710), (62, 3541790), (70, 3137014), (76, 2889355), (95, 2311484), (124, 1770895), (133, 1651060), (140, 1568507), (155, 1416716), (190, 1155742), (217, 1011940), (266, 825530), (310, 708358), (380, 577871), (434, 505970), (532, 412765), (589, 372820), (620, 354179), (665, 330212), (868, 252985), (1085, 202388), (1178, 186410), (1330, 165106), (2170, 101194), (2356, 93205), (2660, 82553), (2663, 82460), (2945, 74564), (4123, 53260), (4340, 50597), (5326, 41230), (5890, 37282), (8246, 26630), (10652, 20615), (11780, 18641), (13315, 16492)]