2158642000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:494

約数の個数: 160

約数和(自身を含む): 5498648064

約数和(自身を除く): 3340006064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 167, 184, 200, 230, 250, 281, 334, 368, 400, 460, 500, 562, 575, 668, 835, 920, 1000, 1124, 1150, 1336, 1405, 1670, 1840, 2000, 2248, 2300, 2672, 2810, 2875, 3340, 3841, 4175, 4496, 4600, 5620, 5750, 6463, 6680, 7025, 7682, 8350, 9200, 11240, 11500, 12926, 13360, 14050, 15364, 16700, 19205, 20875, 22480, 23000, 25852, 28100, 30728, 32315, 33400, 35125, 38410, 41750, 46000, 46927, 51704, 56200, 61456, 64630, 66800, 70250, 76820, 83500, 93854, 96025, 103408, 112400, 129260, 140500, 153640, 161575, 167000, 187708, 192050, 234635, 258520, 281000, 307280, 323150, 334000, 375416, 384100, 469270, 480125, 517040, 562000, 646300, 750832, 768200, 807875, 938540, 960250, 1079321, 1173175, 1292600, 1536400, 1615750, 1877080, 1920500, 2158642, 2346350, 2585200, 3231500, 3754160, 3841000, 4317284, 4692700, 5396605, 5865875, 6463000, 7682000, 8634568, 9385400, 10793210, 11731750, 12926000, 17269136, 18770800, 21586420, 23463500, 26983025, 43172840, 46927000, 53966050, 86345680, 93854000, 107932100, 134915125, 215864200, 269830250, 431728400, 539660500, 1079321000, 2158642000]

約数ペア:

[(1, 2158642000), (2, 1079321000), (4, 539660500), (5, 431728400), (8, 269830250), (10, 215864200), (16, 134915125), (20, 107932100), (23, 93854000), (25, 86345680), (40, 53966050), (46, 46927000), (50, 43172840), (80, 26983025), (92, 23463500), (100, 21586420), (115, 18770800), (125, 17269136), (167, 12926000), (184, 11731750), (200, 10793210), (230, 9385400), (250, 8634568), (281, 7682000), (334, 6463000), (368, 5865875), (400, 5396605), (460, 4692700), (500, 4317284), (562, 3841000), (575, 3754160), (668, 3231500), (835, 2585200), (920, 2346350), (1000, 2158642), (1124, 1920500), (1150, 1877080), (1336, 1615750), (1405, 1536400), (1670, 1292600), (1840, 1173175), (2000, 1079321), (2248, 960250), (2300, 938540), (2672, 807875), (2810, 768200), (2875, 750832), (3340, 646300), (3841, 562000), (4175, 517040), (4496, 480125), (4600, 469270), (5620, 384100), (5750, 375416), (6463, 334000), (6680, 323150), (7025, 307280), (7682, 281000), (8350, 258520), (9200, 234635), (11240, 192050), (11500, 187708), (12926, 167000), (13360, 161575), (14050, 153640), (15364, 140500), (16700, 129260), (19205, 112400), (20875, 103408), (22480, 96025), (23000, 93854), (25852, 83500), (28100, 76820), (30728, 70250), (32315, 66800), (33400, 64630), (35125, 61456), (38410, 56200), (41750, 51704), (46000, 46927)]