491036260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 1248452352

約数和(自身を除く): 757416092

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 47, 52, 55, 65, 94, 110, 130, 143, 169, 188, 220, 235, 260, 281, 286, 338, 470, 517, 562, 572, 611, 676, 715, 845, 940, 1034, 1124, 1222, 1405, 1430, 1690, 1859, 2068, 2444, 2585, 2810, 2860, 3055, 3091, 3380, 3653, 3718, 5170, 5620, 6110, 6182, 6721, 7306, 7436, 7943, 9295, 10340, 12220, 12364, 13207, 13442, 14612, 15455, 15886, 18265, 18590, 26414, 26884, 30910, 31772, 33605, 36530, 37180, 39715, 40183, 47489, 52828, 61820, 66035, 67210, 73060, 79430, 80366, 87373, 94978, 132070, 134420, 145277, 158860, 160732, 171691, 174746, 189956, 200915, 237445, 264140, 290554, 343382, 349492, 401830, 436865, 474890, 522379, 581108, 686764, 726385, 803660, 858455, 873730, 949780, 1044758, 1452770, 1716910, 1747460, 1888601, 2089516, 2231983, 2611895, 2905540, 3433820, 3777202, 4463966, 5223790, 7554404, 8927932, 9443005, 10447580, 11159915, 18886010, 22319830, 24551813, 37772020, 44639660, 49103626, 98207252, 122759065, 245518130, 491036260]

約数ペア:

[(1, 491036260), (2, 245518130), (4, 122759065), (5, 98207252), (10, 49103626), (11, 44639660), (13, 37772020), (20, 24551813), (22, 22319830), (26, 18886010), (44, 11159915), (47, 10447580), (52, 9443005), (55, 8927932), (65, 7554404), (94, 5223790), (110, 4463966), (130, 3777202), (143, 3433820), (169, 2905540), (188, 2611895), (220, 2231983), (235, 2089516), (260, 1888601), (281, 1747460), (286, 1716910), (338, 1452770), (470, 1044758), (517, 949780), (562, 873730), (572, 858455), (611, 803660), (676, 726385), (715, 686764), (845, 581108), (940, 522379), (1034, 474890), (1124, 436865), (1222, 401830), (1405, 349492), (1430, 343382), (1690, 290554), (1859, 264140), (2068, 237445), (2444, 200915), (2585, 189956), (2810, 174746), (2860, 171691), (3055, 160732), (3091, 158860), (3380, 145277), (3653, 134420), (3718, 132070), (5170, 94978), (5620, 87373), (6110, 80366), (6182, 79430), (6721, 73060), (7306, 67210), (7436, 66035), (7943, 61820), (9295, 52828), (10340, 47489), (12220, 40183), (12364, 39715), (13207, 37180), (13442, 36530), (14612, 33605), (15455, 31772), (15886, 30910), (18265, 26884), (18590, 26414)]