431213900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3727}}^1$

素因数の和:3843

約数の個数: 72

約数和(自身を含む): 1019309760

約数和(自身を除く): 588095860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 325, 356, 445, 650, 890, 1157, 1300, 1780, 2225, 2314, 3727, 4450, 4628, 5785, 7454, 8900, 11570, 14908, 18635, 23140, 28925, 37270, 48451, 57850, 74540, 93175, 96902, 115700, 186350, 193804, 242255, 331703, 372700, 484510, 663406, 969020, 1211275, 1326812, 1658515, 2422550, 3317030, 4312139, 4845100, 6634060, 8292575, 8624278, 16585150, 17248556, 21560695, 33170300, 43121390, 86242780, 107803475, 215606950, 431213900]

約数ペア:

[(1, 431213900), (2, 215606950), (4, 107803475), (5, 86242780), (10, 43121390), (13, 33170300), (20, 21560695), (25, 17248556), (26, 16585150), (50, 8624278), (52, 8292575), (65, 6634060), (89, 4845100), (100, 4312139), (130, 3317030), (178, 2422550), (260, 1658515), (325, 1326812), (356, 1211275), (445, 969020), (650, 663406), (890, 484510), (1157, 372700), (1300, 331703), (1780, 242255), (2225, 193804), (2314, 186350), (3727, 115700), (4450, 96902), (4628, 93175), (5785, 74540), (7454, 57850), (8900, 48451), (11570, 37270), (14908, 28925), (18635, 23140)]