2019776970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:880

約数の個数: 128

約数和(自身を含む): 5381614080

約数和(自身を除く): 3361837110

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 409, 421, 510, 690, 782, 818, 842, 1173, 1227, 1263, 1955, 2045, 2105, 2346, 2454, 2526, 3910, 4090, 4210, 5865, 6135, 6315, 6953, 7157, 9407, 9683, 11730, 12270, 12630, 13906, 14314, 18814, 19366, 20859, 21471, 28221, 29049, 34765, 35785, 41718, 42942, 47035, 48415, 56442, 58098, 69530, 71570, 94070, 96830, 104295, 107355, 141105, 145245, 159919, 164611, 172189, 208590, 214710, 282210, 290490, 319838, 329222, 344378, 479757, 493833, 516567, 799595, 823055, 860945, 959514, 987666, 1033134, 1599190, 1646110, 1721890, 2398785, 2469165, 2582835, 2927213, 3960347, 4797570, 4938330, 5165670, 5854426, 7920694, 8781639, 11881041, 14636065, 17563278, 19801735, 23762082, 29272130, 39603470, 43908195, 59405205, 67325899, 87816390, 118810410, 134651798, 201977697, 336629495, 403955394, 673258990, 1009888485, 2019776970]

約数ペア:

[(1, 2019776970), (2, 1009888485), (3, 673258990), (5, 403955394), (6, 336629495), (10, 201977697), (15, 134651798), (17, 118810410), (23, 87816390), (30, 67325899), (34, 59405205), (46, 43908195), (51, 39603470), (69, 29272130), (85, 23762082), (102, 19801735), (115, 17563278), (138, 14636065), (170, 11881041), (230, 8781639), (255, 7920694), (345, 5854426), (391, 5165670), (409, 4938330), (421, 4797570), (510, 3960347), (690, 2927213), (782, 2582835), (818, 2469165), (842, 2398785), (1173, 1721890), (1227, 1646110), (1263, 1599190), (1955, 1033134), (2045, 987666), (2105, 959514), (2346, 860945), (2454, 823055), (2526, 799595), (3910, 516567), (4090, 493833), (4210, 479757), (5865, 344378), (6135, 329222), (6315, 319838), (6953, 290490), (7157, 282210), (9407, 214710), (9683, 208590), (11730, 172189), (12270, 164611), (12630, 159919), (13906, 145245), (14314, 141105), (18814, 107355), (19366, 104295), (20859, 96830), (21471, 94070), (28221, 71570), (29049, 69530), (34765, 58098), (35785, 56442), (41718, 48415), (42942, 47035)]