201554980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 490468608

約数和(自身を除く): 288913628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 61, 92, 110, 115, 122, 220, 230, 244, 253, 305, 460, 506, 610, 653, 671, 1012, 1220, 1265, 1306, 1342, 1403, 2530, 2612, 2684, 2806, 3265, 3355, 5060, 5612, 6530, 6710, 7015, 7183, 13060, 13420, 14030, 14366, 15019, 15433, 28060, 28732, 30038, 30866, 35915, 39833, 60076, 61732, 71830, 75095, 77165, 79666, 143660, 150190, 154330, 159332, 165209, 199165, 300380, 308660, 330418, 398330, 438163, 660836, 796660, 826045, 876326, 916159, 1652090, 1752652, 1832318, 2190815, 3304180, 3664636, 4381630, 4580795, 8763260, 9161590, 10077749, 18323180, 20155498, 40310996, 50388745, 100777490, 201554980]

約数ペア:

[(1, 201554980), (2, 100777490), (4, 50388745), (5, 40310996), (10, 20155498), (11, 18323180), (20, 10077749), (22, 9161590), (23, 8763260), (44, 4580795), (46, 4381630), (55, 3664636), (61, 3304180), (92, 2190815), (110, 1832318), (115, 1752652), (122, 1652090), (220, 916159), (230, 876326), (244, 826045), (253, 796660), (305, 660836), (460, 438163), (506, 398330), (610, 330418), (653, 308660), (671, 300380), (1012, 199165), (1220, 165209), (1265, 159332), (1306, 154330), (1342, 150190), (1403, 143660), (2530, 79666), (2612, 77165), (2684, 75095), (2806, 71830), (3265, 61732), (3355, 60076), (5060, 39833), (5612, 35915), (6530, 30866), (6710, 30038), (7015, 28732), (7183, 28060), (13060, 15433), (13420, 15019), (14030, 14366)]