254189460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2846

約数の個数: 144

約数和(自身を含む): 854945280

約数和(自身を除く): 600755820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2789, 2940, 3038, 3255, 4340, 4557, 5578, 6076, 6510, 7595, 8367, 9114, 11156, 13020, 13945, 15190, 16734, 18228, 19523, 22785, 27890, 30380, 33468, 39046, 41835, 45570, 55780, 58569, 78092, 83670, 86459, 91140, 97615, 117138, 136661, 167340, 172918, 195230, 234276, 259377, 273322, 292845, 345836, 390460, 409983, 432295, 518754, 546644, 585690, 605213, 683305, 819966, 864590, 1037508, 1171380, 1210426, 1296885, 1366610, 1639932, 1729180, 1815639, 2049915, 2420852, 2593770, 2733220, 3026065, 3631278, 4099830, 4236491, 5187540, 6052130, 7262556, 8199660, 8472982, 9078195, 12104260, 12709473, 16945964, 18156390, 21182455, 25418946, 36312780, 42364910, 50837892, 63547365, 84729820, 127094730, 254189460]

約数ペア:

[(1, 254189460), (2, 127094730), (3, 84729820), (4, 63547365), (5, 50837892), (6, 42364910), (7, 36312780), (10, 25418946), (12, 21182455), (14, 18156390), (15, 16945964), (20, 12709473), (21, 12104260), (28, 9078195), (30, 8472982), (31, 8199660), (35, 7262556), (42, 6052130), (49, 5187540), (60, 4236491), (62, 4099830), (70, 3631278), (84, 3026065), (93, 2733220), (98, 2593770), (105, 2420852), (124, 2049915), (140, 1815639), (147, 1729180), (155, 1639932), (186, 1366610), (196, 1296885), (210, 1210426), (217, 1171380), (245, 1037508), (294, 864590), (310, 819966), (372, 683305), (420, 605213), (434, 585690), (465, 546644), (490, 518754), (588, 432295), (620, 409983), (651, 390460), (735, 345836), (868, 292845), (930, 273322), (980, 259377), (1085, 234276), (1302, 195230), (1470, 172918), (1519, 167340), (1860, 136661), (2170, 117138), (2604, 97615), (2789, 91140), (2940, 86459), (3038, 83670), (3255, 78092), (4340, 58569), (4557, 55780), (5578, 45570), (6076, 41835), (6510, 39046), (7595, 33468), (8367, 30380), (9114, 27890), (11156, 22785), (13020, 19523), (13945, 18228), (15190, 16734)]