2008077700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 4795248640

約数和(自身を除く): 2787170940

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 103, 124, 155, 190, 206, 310, 331, 380, 412, 475, 515, 589, 620, 662, 775, 950, 1030, 1178, 1324, 1550, 1655, 1900, 1957, 2060, 2356, 2575, 2945, 3100, 3193, 3310, 3914, 5150, 5890, 6289, 6386, 6620, 7828, 8275, 9785, 10261, 10300, 11780, 12578, 12772, 14725, 15965, 16550, 19570, 20522, 25156, 29450, 31445, 31930, 33100, 34093, 39140, 41044, 48925, 51305, 58900, 60667, 62890, 63860, 68186, 79825, 97850, 102610, 121334, 125780, 136372, 157225, 159650, 170465, 194959, 195700, 205220, 242668, 256525, 303335, 314450, 319300, 340930, 389918, 513050, 606670, 628900, 647767, 681860, 779836, 852325, 974795, 1026100, 1056883, 1213340, 1295534, 1516675, 1704650, 1949590, 2113766, 2591068, 3033350, 3238835, 3409300, 3899180, 4227532, 4873975, 5284415, 6066700, 6477670, 9747950, 10568830, 12955340, 16194175, 19495900, 20080777, 21137660, 26422075, 32388350, 40161554, 52844150, 64776700, 80323108, 100403885, 105688300, 200807770, 401615540, 502019425, 1004038850, 2008077700]

約数ペア:

[(1, 2008077700), (2, 1004038850), (4, 502019425), (5, 401615540), (10, 200807770), (19, 105688300), (20, 100403885), (25, 80323108), (31, 64776700), (38, 52844150), (50, 40161554), (62, 32388350), (76, 26422075), (95, 21137660), (100, 20080777), (103, 19495900), (124, 16194175), (155, 12955340), (190, 10568830), (206, 9747950), (310, 6477670), (331, 6066700), (380, 5284415), (412, 4873975), (475, 4227532), (515, 3899180), (589, 3409300), (620, 3238835), (662, 3033350), (775, 2591068), (950, 2113766), (1030, 1949590), (1178, 1704650), (1324, 1516675), (1550, 1295534), (1655, 1213340), (1900, 1056883), (1957, 1026100), (2060, 974795), (2356, 852325), (2575, 779836), (2945, 681860), (3100, 647767), (3193, 628900), (3310, 606670), (3914, 513050), (5150, 389918), (5890, 340930), (6289, 319300), (6386, 314450), (6620, 303335), (7828, 256525), (8275, 242668), (9785, 205220), (10261, 195700), (10300, 194959), (11780, 170465), (12578, 159650), (12772, 157225), (14725, 136372), (15965, 125780), (16550, 121334), (19570, 102610), (20522, 97850), (25156, 79825), (29450, 68186), (31445, 63860), (31930, 62890), (33100, 60667), (34093, 58900), (39140, 51305), (41044, 48925)]