205541700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7529}}^1$

素因数の和:7566

約数の個数: 144

約数和(自身を含む): 732036480

約数和(自身を除く): 526494780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 3900, 4550, 5460, 6825, 7529, 9100, 13650, 15058, 22587, 27300, 30116, 37645, 45174, 52703, 75290, 90348, 97877, 105406, 112935, 150580, 158109, 188225, 195754, 210812, 225870, 263515, 293631, 316218, 376450, 391508, 451740, 489385, 527030, 564675, 587262, 632436, 685139, 752900, 790545, 978770, 1054060, 1129350, 1174524, 1317575, 1370278, 1468155, 1581090, 1957540, 2055417, 2258700, 2446925, 2635150, 2740556, 2936310, 3162180, 3425695, 3952725, 4110834, 4893850, 5270300, 5872620, 6851390, 7340775, 7905450, 8221668, 9787700, 10277085, 13702780, 14681550, 15810900, 17128475, 20554170, 29363100, 34256950, 41108340, 51385425, 68513900, 102770850, 205541700]

約数ペア:

[(1, 205541700), (2, 102770850), (3, 68513900), (4, 51385425), (5, 41108340), (6, 34256950), (7, 29363100), (10, 20554170), (12, 17128475), (13, 15810900), (14, 14681550), (15, 13702780), (20, 10277085), (21, 9787700), (25, 8221668), (26, 7905450), (28, 7340775), (30, 6851390), (35, 5872620), (39, 5270300), (42, 4893850), (50, 4110834), (52, 3952725), (60, 3425695), (65, 3162180), (70, 2936310), (75, 2740556), (78, 2635150), (84, 2446925), (91, 2258700), (100, 2055417), (105, 1957540), (130, 1581090), (140, 1468155), (150, 1370278), (156, 1317575), (175, 1174524), (182, 1129350), (195, 1054060), (210, 978770), (260, 790545), (273, 752900), (300, 685139), (325, 632436), (350, 587262), (364, 564675), (390, 527030), (420, 489385), (455, 451740), (525, 391508), (546, 376450), (650, 316218), (700, 293631), (780, 263515), (910, 225870), (975, 210812), (1050, 195754), (1092, 188225), (1300, 158109), (1365, 150580), (1820, 112935), (1950, 105406), (2100, 97877), (2275, 90348), (2730, 75290), (3900, 52703), (4550, 45174), (5460, 37645), (6825, 30116), (7529, 27300), (9100, 22587), (13650, 15058)]