78951740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:724

約数の個数: 96

約数和(自身を含む): 205027200

約数和(自身を除く): 126075460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 343, 476, 490, 595, 677, 686, 833, 980, 1190, 1354, 1372, 1666, 1715, 2380, 2708, 3332, 3385, 3430, 4165, 4739, 5831, 6770, 6860, 8330, 9478, 11509, 11662, 13540, 16660, 18956, 23018, 23324, 23695, 29155, 33173, 46036, 47390, 57545, 58310, 66346, 80563, 94780, 115090, 116620, 132692, 161126, 165865, 230180, 232211, 322252, 331730, 402815, 464422, 563941, 663460, 805630, 928844, 1127882, 1161055, 1611260, 2255764, 2322110, 2819705, 3947587, 4644220, 5639410, 7895174, 11278820, 15790348, 19737935, 39475870, 78951740]

約数ペア:

[(1, 78951740), (2, 39475870), (4, 19737935), (5, 15790348), (7, 11278820), (10, 7895174), (14, 5639410), (17, 4644220), (20, 3947587), (28, 2819705), (34, 2322110), (35, 2255764), (49, 1611260), (68, 1161055), (70, 1127882), (85, 928844), (98, 805630), (119, 663460), (140, 563941), (170, 464422), (196, 402815), (238, 331730), (245, 322252), (340, 232211), (343, 230180), (476, 165865), (490, 161126), (595, 132692), (677, 116620), (686, 115090), (833, 94780), (980, 80563), (1190, 66346), (1354, 58310), (1372, 57545), (1666, 47390), (1715, 46036), (2380, 33173), (2708, 29155), (3332, 23695), (3385, 23324), (3430, 23018), (4165, 18956), (4739, 16660), (5831, 13540), (6770, 11662), (6860, 11509), (8330, 9478)]