491720016

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 1371340800

約数和(自身を除く): 879620784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 47, 48, 62, 79, 89, 93, 94, 124, 141, 158, 178, 186, 188, 237, 248, 267, 282, 316, 356, 372, 376, 474, 496, 534, 564, 632, 712, 744, 752, 948, 1068, 1128, 1264, 1424, 1457, 1488, 1896, 2136, 2256, 2449, 2759, 2914, 3713, 3792, 4183, 4272, 4371, 4898, 5518, 5828, 7031, 7347, 7426, 8277, 8366, 8742, 9796, 11036, 11139, 11656, 12549, 14062, 14694, 14852, 16554, 16732, 17484, 19592, 21093, 22072, 22278, 23312, 25098, 28124, 29388, 29704, 33108, 33464, 34968, 39184, 42186, 44144, 44556, 50196, 56248, 58776, 59408, 66216, 66928, 69936, 84372, 89112, 100392, 112496, 115103, 117552, 129673, 132432, 168744, 178224, 200784, 217961, 230206, 259346, 330457, 337488, 345309, 389019, 435922, 460412, 518692, 653883, 660914, 690618, 778038, 871844, 920824, 991371, 1037384, 1307766, 1321828, 1381236, 1556076, 1743688, 1841648, 1982742, 2074768, 2615532, 2643656, 2762472, 3112152, 3487376, 3965484, 5231064, 5287312, 5524944, 6224304, 7930968, 10244167, 10462128, 15861936, 20488334, 30732501, 40976668, 61465002, 81953336, 122930004, 163906672, 245860008, 491720016]

約数ペア:

[(1, 491720016), (2, 245860008), (3, 163906672), (4, 122930004), (6, 81953336), (8, 61465002), (12, 40976668), (16, 30732501), (24, 20488334), (31, 15861936), (47, 10462128), (48, 10244167), (62, 7930968), (79, 6224304), (89, 5524944), (93, 5287312), (94, 5231064), (124, 3965484), (141, 3487376), (158, 3112152), (178, 2762472), (186, 2643656), (188, 2615532), (237, 2074768), (248, 1982742), (267, 1841648), (282, 1743688), (316, 1556076), (356, 1381236), (372, 1321828), (376, 1307766), (474, 1037384), (496, 991371), (534, 920824), (564, 871844), (632, 778038), (712, 690618), (744, 660914), (752, 653883), (948, 518692), (1068, 460412), (1128, 435922), (1264, 389019), (1424, 345309), (1457, 337488), (1488, 330457), (1896, 259346), (2136, 230206), (2256, 217961), (2449, 200784), (2759, 178224), (2914, 168744), (3713, 132432), (3792, 129673), (4183, 117552), (4272, 115103), (4371, 112496), (4898, 100392), (5518, 89112), (5828, 84372), (7031, 69936), (7347, 66928), (7426, 66216), (8277, 59408), (8366, 58776), (8742, 56248), (9796, 50196), (11036, 44556), (11139, 44144), (11656, 42186), (12549, 39184), (14062, 34968), (14694, 33464), (14852, 33108), (16554, 29704), (16732, 29388), (17484, 28124), (19592, 25098), (21093, 23312), (22072, 22278)]