391841940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{49103}}^1$

素因数の和:49141

約数の個数: 96

約数和(自身を含む): 1319915520

約数和(自身を除く): 928073580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 49103, 98206, 147309, 196412, 245515, 294618, 343721, 491030, 589236, 687442, 736545, 932957, 982060, 1031163, 1374884, 1473090, 1718605, 1865914, 2062326, 2798871, 2946180, 3437210, 3731828, 4124652, 4664785, 5155815, 5597742, 6530699, 6874420, 9329570, 10311630, 11195484, 13061398, 13994355, 18659140, 19592097, 20623260, 26122796, 27988710, 32653495, 39184194, 55977420, 65306990, 78368388, 97960485, 130613980, 195920970, 391841940]

約数ペア:

[(1, 391841940), (2, 195920970), (3, 130613980), (4, 97960485), (5, 78368388), (6, 65306990), (7, 55977420), (10, 39184194), (12, 32653495), (14, 27988710), (15, 26122796), (19, 20623260), (20, 19592097), (21, 18659140), (28, 13994355), (30, 13061398), (35, 11195484), (38, 10311630), (42, 9329570), (57, 6874420), (60, 6530699), (70, 5597742), (76, 5155815), (84, 4664785), (95, 4124652), (105, 3731828), (114, 3437210), (133, 2946180), (140, 2798871), (190, 2062326), (210, 1865914), (228, 1718605), (266, 1473090), (285, 1374884), (380, 1031163), (399, 982060), (420, 932957), (532, 736545), (570, 687442), (665, 589236), (798, 491030), (1140, 343721), (1330, 294618), (1596, 245515), (1995, 196412), (2660, 147309), (3990, 98206), (7980, 49103)]