391452820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1429

約数の個数: 96

約数和(自身を含む): 958003200

約数和(自身を除く): 566550380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 110, 142, 190, 209, 220, 284, 355, 380, 418, 710, 781, 836, 1045, 1319, 1349, 1420, 1562, 2090, 2638, 2698, 3124, 3905, 4180, 5276, 5396, 6595, 6745, 7810, 13190, 13490, 14509, 14839, 15620, 25061, 26380, 26980, 29018, 29678, 50122, 58036, 59356, 72545, 74195, 93649, 100244, 125305, 145090, 148390, 187298, 250610, 275671, 290180, 296780, 374596, 468245, 501220, 551342, 936490, 1030139, 1102684, 1378355, 1779331, 1872980, 2060278, 2756710, 3558662, 4120556, 5150695, 5513420, 7117324, 8896655, 10301390, 17793310, 19572641, 20602780, 35586620, 39145282, 78290564, 97863205, 195726410, 391452820]

約数ペア:

[(1, 391452820), (2, 195726410), (4, 97863205), (5, 78290564), (10, 39145282), (11, 35586620), (19, 20602780), (20, 19572641), (22, 17793310), (38, 10301390), (44, 8896655), (55, 7117324), (71, 5513420), (76, 5150695), (95, 4120556), (110, 3558662), (142, 2756710), (190, 2060278), (209, 1872980), (220, 1779331), (284, 1378355), (355, 1102684), (380, 1030139), (418, 936490), (710, 551342), (781, 501220), (836, 468245), (1045, 374596), (1319, 296780), (1349, 290180), (1420, 275671), (1562, 250610), (2090, 187298), (2638, 148390), (2698, 145090), (3124, 125305), (3905, 100244), (4180, 93649), (5276, 74195), (5396, 72545), (6595, 59356), (6745, 58036), (7810, 50122), (13190, 29678), (13490, 29018), (14509, 26980), (14839, 26380), (15620, 25061)]