278344300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 699955200

約数和(自身を除く): 421610900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 59, 65, 76, 95, 100, 118, 130, 190, 191, 236, 247, 260, 295, 325, 380, 382, 475, 494, 590, 650, 764, 767, 950, 955, 988, 1121, 1180, 1235, 1300, 1475, 1534, 1900, 1910, 2242, 2470, 2483, 2950, 3068, 3629, 3820, 3835, 4484, 4775, 4940, 4966, 5605, 5900, 6175, 7258, 7670, 9550, 9932, 11210, 11269, 12350, 12415, 14516, 14573, 15340, 18145, 19100, 19175, 22420, 22538, 24700, 24830, 28025, 29146, 36290, 38350, 45076, 47177, 49660, 56050, 56345, 58292, 62075, 72580, 72865, 76700, 90725, 94354, 112100, 112690, 124150, 145730, 146497, 181450, 188708, 214111, 225380, 235885, 248300, 281725, 291460, 292994, 362900, 364325, 428222, 471770, 563450, 585988, 728650, 732485, 856444, 943540, 1070555, 1126900, 1179425, 1457300, 1464970, 2141110, 2358850, 2783443, 2929940, 3662425, 4282220, 4717700, 5352775, 5566886, 7324850, 10705550, 11133772, 13917215, 14649700, 21411100, 27834430, 55668860, 69586075, 139172150, 278344300]

約数ペア:

[(1, 278344300), (2, 139172150), (4, 69586075), (5, 55668860), (10, 27834430), (13, 21411100), (19, 14649700), (20, 13917215), (25, 11133772), (26, 10705550), (38, 7324850), (50, 5566886), (52, 5352775), (59, 4717700), (65, 4282220), (76, 3662425), (95, 2929940), (100, 2783443), (118, 2358850), (130, 2141110), (190, 1464970), (191, 1457300), (236, 1179425), (247, 1126900), (260, 1070555), (295, 943540), (325, 856444), (380, 732485), (382, 728650), (475, 585988), (494, 563450), (590, 471770), (650, 428222), (764, 364325), (767, 362900), (950, 292994), (955, 291460), (988, 281725), (1121, 248300), (1180, 235885), (1235, 225380), (1300, 214111), (1475, 188708), (1534, 181450), (1900, 146497), (1910, 145730), (2242, 124150), (2470, 112690), (2483, 112100), (2950, 94354), (3068, 90725), (3629, 76700), (3820, 72865), (3835, 72580), (4484, 62075), (4775, 58292), (4940, 56345), (4966, 56050), (5605, 49660), (5900, 47177), (6175, 45076), (7258, 38350), (7670, 36290), (9550, 29146), (9932, 28025), (11210, 24830), (11269, 24700), (12350, 22538), (12415, 22420), (14516, 19175), (14573, 19100), (15340, 18145)]