254684220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 843462144

約数和(自身を除く): 588777924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 631, 651, 868, 930, 961, 1085, 1262, 1302, 1860, 1893, 1922, 2170, 2524, 2604, 2883, 3155, 3255, 3786, 3844, 4340, 4417, 4805, 5766, 6310, 6510, 6727, 7572, 8834, 9465, 9610, 11532, 12620, 13020, 13251, 13454, 14415, 17668, 18930, 19220, 19561, 20181, 22085, 26502, 26908, 28830, 33635, 37860, 39122, 40362, 44170, 53004, 57660, 58683, 66255, 67270, 78244, 80724, 88340, 97805, 100905, 117366, 132510, 134540, 136927, 195610, 201810, 234732, 265020, 273854, 293415, 391220, 403620, 410781, 547708, 586830, 606391, 684635, 821562, 1173660, 1212782, 1369270, 1643124, 1819173, 2053905, 2425564, 2738540, 3031955, 3638346, 4107810, 4244737, 6063910, 7276692, 8215620, 8489474, 9095865, 12127820, 12734211, 16978948, 18191730, 21223685, 25468422, 36383460, 42447370, 50936844, 63671055, 84894740, 127342110, 254684220]

約数ペア:

[(1, 254684220), (2, 127342110), (3, 84894740), (4, 63671055), (5, 50936844), (6, 42447370), (7, 36383460), (10, 25468422), (12, 21223685), (14, 18191730), (15, 16978948), (20, 12734211), (21, 12127820), (28, 9095865), (30, 8489474), (31, 8215620), (35, 7276692), (42, 6063910), (60, 4244737), (62, 4107810), (70, 3638346), (84, 3031955), (93, 2738540), (105, 2425564), (124, 2053905), (140, 1819173), (155, 1643124), (186, 1369270), (210, 1212782), (217, 1173660), (310, 821562), (372, 684635), (420, 606391), (434, 586830), (465, 547708), (620, 410781), (631, 403620), (651, 391220), (868, 293415), (930, 273854), (961, 265020), (1085, 234732), (1262, 201810), (1302, 195610), (1860, 136927), (1893, 134540), (1922, 132510), (2170, 117366), (2524, 100905), (2604, 97805), (2883, 88340), (3155, 80724), (3255, 78244), (3786, 67270), (3844, 66255), (4340, 58683), (4417, 57660), (4805, 53004), (5766, 44170), (6310, 40362), (6510, 39122), (6727, 37860), (7572, 33635), (8834, 28830), (9465, 26908), (9610, 26502), (11532, 22085), (12620, 20181), (13020, 19561), (13251, 19220), (13454, 18930), (14415, 17668)]