200809180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 108

約数和(自身を含む): 502941096

約数和(自身を除く): 302131916

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 169, 220, 242, 260, 286, 338, 484, 491, 572, 605, 676, 715, 845, 982, 1210, 1430, 1573, 1690, 1859, 1964, 2420, 2455, 2860, 3146, 3380, 3718, 4910, 5401, 6292, 6383, 7436, 7865, 9295, 9820, 10802, 12766, 15730, 18590, 20449, 21604, 25532, 27005, 31460, 31915, 37180, 40898, 54010, 59411, 63830, 70213, 81796, 82979, 102245, 108020, 118822, 127660, 140426, 165958, 204490, 237644, 280852, 297055, 331916, 351065, 408980, 414895, 594110, 702130, 772343, 829790, 912769, 1188220, 1404260, 1544686, 1659580, 1825538, 3089372, 3651076, 3861715, 4563845, 7723430, 9127690, 10040459, 15446860, 18255380, 20080918, 40161836, 50202295, 100404590, 200809180]

約数ペア:

[(1, 200809180), (2, 100404590), (4, 50202295), (5, 40161836), (10, 20080918), (11, 18255380), (13, 15446860), (20, 10040459), (22, 9127690), (26, 7723430), (44, 4563845), (52, 3861715), (55, 3651076), (65, 3089372), (110, 1825538), (121, 1659580), (130, 1544686), (143, 1404260), (169, 1188220), (220, 912769), (242, 829790), (260, 772343), (286, 702130), (338, 594110), (484, 414895), (491, 408980), (572, 351065), (605, 331916), (676, 297055), (715, 280852), (845, 237644), (982, 204490), (1210, 165958), (1430, 140426), (1573, 127660), (1690, 118822), (1859, 108020), (1964, 102245), (2420, 82979), (2455, 81796), (2860, 70213), (3146, 63830), (3380, 59411), (3718, 54010), (4910, 40898), (5401, 37180), (6292, 31915), (6383, 31460), (7436, 27005), (7865, 25532), (9295, 21604), (9820, 20449), (10802, 18590), (12766, 15730)]