254179380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3581}}^1$

素因数の和:3626

約数の個数: 144

約数和(自身を含む): 881000064

約数和(自身を除く): 626820684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2730, 3380, 3549, 3581, 4732, 5070, 5460, 5915, 7098, 7162, 10140, 10743, 11830, 14196, 14324, 17745, 17905, 21486, 23660, 25067, 35490, 35810, 42972, 46553, 50134, 53715, 70980, 71620, 75201, 93106, 100268, 107430, 125335, 139659, 150402, 186212, 214860, 232765, 250670, 279318, 300804, 325871, 376005, 465530, 501340, 558636, 605189, 651742, 698295, 752010, 931060, 977613, 1210378, 1303484, 1396590, 1504020, 1629355, 1815567, 1955226, 2420756, 2793180, 3025945, 3258710, 3631134, 3910452, 4236323, 4888065, 6051890, 6517420, 7262268, 8472646, 9077835, 9776130, 12103780, 12708969, 16945292, 18155670, 19552260, 21181615, 25417938, 36311340, 42363230, 50835876, 63544845, 84726460, 127089690, 254179380]

約数ペア:

[(1, 254179380), (2, 127089690), (3, 84726460), (4, 63544845), (5, 50835876), (6, 42363230), (7, 36311340), (10, 25417938), (12, 21181615), (13, 19552260), (14, 18155670), (15, 16945292), (20, 12708969), (21, 12103780), (26, 9776130), (28, 9077835), (30, 8472646), (35, 7262268), (39, 6517420), (42, 6051890), (52, 4888065), (60, 4236323), (65, 3910452), (70, 3631134), (78, 3258710), (84, 3025945), (91, 2793180), (105, 2420756), (130, 1955226), (140, 1815567), (156, 1629355), (169, 1504020), (182, 1396590), (195, 1303484), (210, 1210378), (260, 977613), (273, 931060), (338, 752010), (364, 698295), (390, 651742), (420, 605189), (455, 558636), (507, 501340), (546, 465530), (676, 376005), (780, 325871), (845, 300804), (910, 279318), (1014, 250670), (1092, 232765), (1183, 214860), (1365, 186212), (1690, 150402), (1820, 139659), (2028, 125335), (2366, 107430), (2535, 100268), (2730, 93106), (3380, 75201), (3549, 71620), (3581, 70980), (4732, 53715), (5070, 50134), (5460, 46553), (5915, 42972), (7098, 35810), (7162, 35490), (10140, 25067), (10743, 23660), (11830, 21486), (14196, 17905), (14324, 17745)]