490889100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:880

約数の個数: 144

約数和(自身を含む): 1539901440

約数和(自身を除く): 1049012340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 191, 195, 260, 300, 325, 382, 390, 573, 650, 659, 764, 780, 955, 975, 1146, 1300, 1318, 1910, 1950, 1977, 2292, 2483, 2636, 2865, 3295, 3820, 3900, 3954, 4775, 4966, 5730, 6590, 7449, 7908, 8567, 9550, 9885, 9932, 11460, 12415, 13180, 14325, 14898, 16475, 17134, 19100, 19770, 24830, 25701, 28650, 29796, 32950, 34268, 37245, 39540, 42835, 49425, 49660, 51402, 57300, 62075, 65900, 74490, 85670, 98850, 102804, 124150, 125869, 128505, 148980, 171340, 186225, 197700, 214175, 248300, 251738, 257010, 372450, 377607, 428350, 503476, 514020, 629345, 642525, 744900, 755214, 856700, 1258690, 1285050, 1510428, 1636297, 1888035, 2517380, 2570100, 3146725, 3272594, 3776070, 4908891, 6293450, 6545188, 7552140, 8181485, 9440175, 9817782, 12586900, 16362970, 18880350, 19635564, 24544455, 32725940, 37760700, 40907425, 49088910, 81814850, 98177820, 122722275, 163629700, 245444550, 490889100]

約数ペア:

[(1, 490889100), (2, 245444550), (3, 163629700), (4, 122722275), (5, 98177820), (6, 81814850), (10, 49088910), (12, 40907425), (13, 37760700), (15, 32725940), (20, 24544455), (25, 19635564), (26, 18880350), (30, 16362970), (39, 12586900), (50, 9817782), (52, 9440175), (60, 8181485), (65, 7552140), (75, 6545188), (78, 6293450), (100, 4908891), (130, 3776070), (150, 3272594), (156, 3146725), (191, 2570100), (195, 2517380), (260, 1888035), (300, 1636297), (325, 1510428), (382, 1285050), (390, 1258690), (573, 856700), (650, 755214), (659, 744900), (764, 642525), (780, 629345), (955, 514020), (975, 503476), (1146, 428350), (1300, 377607), (1318, 372450), (1910, 257010), (1950, 251738), (1977, 248300), (2292, 214175), (2483, 197700), (2636, 186225), (2865, 171340), (3295, 148980), (3820, 128505), (3900, 125869), (3954, 124150), (4775, 102804), (4966, 98850), (5730, 85670), (6590, 74490), (7449, 65900), (7908, 62075), (8567, 57300), (9550, 51402), (9885, 49660), (9932, 49425), (11460, 42835), (12415, 39540), (13180, 37245), (14325, 34268), (14898, 32950), (16475, 29796), (17134, 28650), (19100, 25701), (19770, 24830)]