494097660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20639}}^1$

素因数の和:20680

約数の個数: 144

約数和(自身を含む): 1803110400

約数和(自身を除く): 1309012740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 20639, 23940, 41278, 61917, 82556, 103195, 123834, 144473, 185751, 206390, 247668, 288946, 309585, 371502, 392141, 412780, 433419, 577892, 619170, 722365, 743004, 784282, 866838, 928755, 1176423, 1238340, 1300257, 1444730, 1568564, 1733676, 1857510, 1960705, 2167095, 2352846, 2600514, 2744987, 2889460, 3529269, 3715020, 3921410, 4334190, 4705692, 5201028, 5489974, 5882115, 6501285, 7058538, 7842820, 8234961, 8668380, 10979948, 11764230, 13002570, 13724935, 14117076, 16469922, 17646345, 23528460, 24704883, 26005140, 27449870, 32939844, 35292690, 41174805, 49409766, 54899740, 70585380, 82349610, 98819532, 123524415, 164699220, 247048830, 494097660]

約数ペア:

[(1, 494097660), (2, 247048830), (3, 164699220), (4, 123524415), (5, 98819532), (6, 82349610), (7, 70585380), (9, 54899740), (10, 49409766), (12, 41174805), (14, 35292690), (15, 32939844), (18, 27449870), (19, 26005140), (20, 24704883), (21, 23528460), (28, 17646345), (30, 16469922), (35, 14117076), (36, 13724935), (38, 13002570), (42, 11764230), (45, 10979948), (57, 8668380), (60, 8234961), (63, 7842820), (70, 7058538), (76, 6501285), (84, 5882115), (90, 5489974), (95, 5201028), (105, 4705692), (114, 4334190), (126, 3921410), (133, 3715020), (140, 3529269), (171, 2889460), (180, 2744987), (190, 2600514), (210, 2352846), (228, 2167095), (252, 1960705), (266, 1857510), (285, 1733676), (315, 1568564), (342, 1444730), (380, 1300257), (399, 1238340), (420, 1176423), (532, 928755), (570, 866838), (630, 784282), (665, 743004), (684, 722365), (798, 619170), (855, 577892), (1140, 433419), (1197, 412780), (1260, 392141), (1330, 371502), (1596, 309585), (1710, 288946), (1995, 247668), (2394, 206390), (2660, 185751), (3420, 144473), (3990, 123834), (4788, 103195), (5985, 82556), (7980, 61917), (11970, 41278), (20639, 23940)]