342195420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 1121541120

約数和(自身を除く): 779345700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 239, 245, 294, 420, 478, 487, 490, 588, 717, 735, 956, 974, 980, 1195, 1434, 1461, 1470, 1673, 1948, 2390, 2435, 2868, 2922, 2940, 3346, 3409, 3585, 4780, 4870, 5019, 5844, 6692, 6818, 7170, 7305, 8365, 9740, 10038, 10227, 11711, 13636, 14340, 14610, 16730, 17045, 20076, 20454, 23422, 23863, 25095, 29220, 33460, 34090, 35133, 40908, 46844, 47726, 50190, 51135, 58555, 68180, 70266, 71589, 95452, 100380, 102270, 116393, 117110, 119315, 140532, 143178, 175665, 204540, 232786, 234220, 238630, 286356, 349179, 351330, 357945, 465572, 477260, 581965, 698358, 702660, 715890, 814751, 1163930, 1396716, 1431780, 1629502, 1745895, 2327860, 2444253, 3259004, 3491790, 4073755, 4888506, 5703257, 6983580, 8147510, 9777012, 11406514, 12221265, 16295020, 17109771, 22813028, 24442530, 28516285, 34219542, 48885060, 57032570, 68439084, 85548855, 114065140, 171097710, 342195420]

約数ペア:

[(1, 342195420), (2, 171097710), (3, 114065140), (4, 85548855), (5, 68439084), (6, 57032570), (7, 48885060), (10, 34219542), (12, 28516285), (14, 24442530), (15, 22813028), (20, 17109771), (21, 16295020), (28, 12221265), (30, 11406514), (35, 9777012), (42, 8147510), (49, 6983580), (60, 5703257), (70, 4888506), (84, 4073755), (98, 3491790), (105, 3259004), (140, 2444253), (147, 2327860), (196, 1745895), (210, 1629502), (239, 1431780), (245, 1396716), (294, 1163930), (420, 814751), (478, 715890), (487, 702660), (490, 698358), (588, 581965), (717, 477260), (735, 465572), (956, 357945), (974, 351330), (980, 349179), (1195, 286356), (1434, 238630), (1461, 234220), (1470, 232786), (1673, 204540), (1948, 175665), (2390, 143178), (2435, 140532), (2868, 119315), (2922, 117110), (2940, 116393), (3346, 102270), (3409, 100380), (3585, 95452), (4780, 71589), (4870, 70266), (5019, 68180), (5844, 58555), (6692, 51135), (6818, 50190), (7170, 47726), (7305, 46844), (8365, 40908), (9740, 35133), (10038, 34090), (10227, 33460), (11711, 29220), (13636, 25095), (14340, 23863), (14610, 23422), (16730, 20454), (17045, 20076)]