191404980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 630446544

約数和(自身を除く): 439041564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 157, 180, 195, 234, 260, 314, 390, 468, 471, 521, 585, 628, 780, 785, 942, 1042, 1170, 1413, 1563, 1570, 1884, 2041, 2084, 2340, 2355, 2605, 2826, 3126, 3140, 4082, 4689, 4710, 5210, 5652, 6123, 6252, 6773, 7065, 7815, 8164, 9378, 9420, 10205, 10420, 12246, 13546, 14130, 15630, 18369, 18756, 20319, 20410, 23445, 24492, 27092, 28260, 30615, 31260, 33865, 36738, 40638, 40820, 46890, 60957, 61230, 67730, 73476, 81276, 81797, 91845, 93780, 101595, 121914, 122460, 135460, 163594, 183690, 203190, 243828, 245391, 304785, 327188, 367380, 406380, 408985, 490782, 609570, 736173, 817970, 981564, 1063361, 1219140, 1226955, 1472346, 1635940, 2126722, 2453910, 2944692, 3190083, 3680865, 4253444, 4907820, 5316805, 6380166, 7361730, 9570249, 10633610, 12760332, 14723460, 15950415, 19140498, 21267220, 31900830, 38280996, 47851245, 63801660, 95702490, 191404980]

約数ペア:

[(1, 191404980), (2, 95702490), (3, 63801660), (4, 47851245), (5, 38280996), (6, 31900830), (9, 21267220), (10, 19140498), (12, 15950415), (13, 14723460), (15, 12760332), (18, 10633610), (20, 9570249), (26, 7361730), (30, 6380166), (36, 5316805), (39, 4907820), (45, 4253444), (52, 3680865), (60, 3190083), (65, 2944692), (78, 2453910), (90, 2126722), (117, 1635940), (130, 1472346), (156, 1226955), (157, 1219140), (180, 1063361), (195, 981564), (234, 817970), (260, 736173), (314, 609570), (390, 490782), (468, 408985), (471, 406380), (521, 367380), (585, 327188), (628, 304785), (780, 245391), (785, 243828), (942, 203190), (1042, 183690), (1170, 163594), (1413, 135460), (1563, 122460), (1570, 121914), (1884, 101595), (2041, 93780), (2084, 91845), (2340, 81797), (2355, 81276), (2605, 73476), (2826, 67730), (3126, 61230), (3140, 60957), (4082, 46890), (4689, 40820), (4710, 40638), (5210, 36738), (5652, 33865), (6123, 31260), (6252, 30615), (6773, 28260), (7065, 27092), (7815, 24492), (8164, 23445), (9378, 20410), (9420, 20319), (10205, 18756), (10420, 18369), (12246, 15630), (13546, 14130)]