203418280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12619}}^1$

素因数の和:12674

約数の個数: 64

約数和(自身を含む): 508838400

約数和(自身を除く): 305420120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 12619, 16120, 25238, 50476, 63095, 100952, 126190, 164047, 252380, 328094, 391189, 504760, 656188, 782378, 820235, 1312376, 1564756, 1640470, 1955945, 3129512, 3280940, 3911890, 5085457, 6561880, 7823780, 10170914, 15647560, 20341828, 25427285, 40683656, 50854570, 101709140, 203418280]

約数ペア:

[(1, 203418280), (2, 101709140), (4, 50854570), (5, 40683656), (8, 25427285), (10, 20341828), (13, 15647560), (20, 10170914), (26, 7823780), (31, 6561880), (40, 5085457), (52, 3911890), (62, 3280940), (65, 3129512), (104, 1955945), (124, 1640470), (130, 1564756), (155, 1312376), (248, 820235), (260, 782378), (310, 656188), (403, 504760), (520, 391189), (620, 328094), (806, 252380), (1240, 164047), (1612, 126190), (2015, 100952), (3224, 63095), (4030, 50476), (8060, 25238), (12619, 16120)]