391597890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 1053565056

約数和(自身を除く): 661967166

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 47, 51, 62, 85, 93, 94, 102, 141, 155, 170, 186, 235, 255, 282, 289, 310, 465, 470, 510, 527, 578, 705, 799, 867, 930, 961, 1054, 1410, 1445, 1457, 1581, 1598, 1734, 1922, 2397, 2635, 2883, 2890, 2914, 3162, 3995, 4335, 4371, 4794, 4805, 5270, 5766, 7285, 7905, 7990, 8670, 8742, 8959, 9610, 11985, 13583, 14415, 14570, 15810, 16337, 17918, 21855, 23970, 24769, 26877, 27166, 28830, 32674, 40749, 43710, 44795, 45167, 49011, 49538, 53754, 67915, 74307, 81498, 81685, 89590, 90334, 98022, 123845, 134385, 135501, 135830, 148614, 163370, 203745, 225835, 245055, 247690, 268770, 271002, 277729, 371535, 407490, 421073, 451670, 490110, 555458, 677505, 743070, 767839, 833187, 842146, 1263219, 1355010, 1388645, 1535678, 1666374, 2105365, 2303517, 2526438, 2777290, 3839195, 4165935, 4210730, 4607034, 6316095, 7678390, 8331870, 11517585, 12632190, 13053263, 23035170, 26106526, 39159789, 65266315, 78319578, 130532630, 195798945, 391597890]

約数ペア:

[(1, 391597890), (2, 195798945), (3, 130532630), (5, 78319578), (6, 65266315), (10, 39159789), (15, 26106526), (17, 23035170), (30, 13053263), (31, 12632190), (34, 11517585), (47, 8331870), (51, 7678390), (62, 6316095), (85, 4607034), (93, 4210730), (94, 4165935), (102, 3839195), (141, 2777290), (155, 2526438), (170, 2303517), (186, 2105365), (235, 1666374), (255, 1535678), (282, 1388645), (289, 1355010), (310, 1263219), (465, 842146), (470, 833187), (510, 767839), (527, 743070), (578, 677505), (705, 555458), (799, 490110), (867, 451670), (930, 421073), (961, 407490), (1054, 371535), (1410, 277729), (1445, 271002), (1457, 268770), (1581, 247690), (1598, 245055), (1734, 225835), (1922, 203745), (2397, 163370), (2635, 148614), (2883, 135830), (2890, 135501), (2914, 134385), (3162, 123845), (3995, 98022), (4335, 90334), (4371, 89590), (4794, 81685), (4805, 81498), (5270, 74307), (5766, 67915), (7285, 53754), (7905, 49538), (7990, 49011), (8670, 45167), (8742, 44795), (8959, 43710), (9610, 40749), (11985, 32674), (13583, 28830), (14415, 27166), (14570, 26877), (15810, 24769), (16337, 23970), (17918, 21855)]