253986654920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{73757}}^1$

素因数の和:74007

約数の個数: 128

約数和(自身を含む): 630896428800

約数和(自身を除く): 376909773880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 197, 230, 380, 394, 437, 460, 760, 788, 874, 920, 985, 1576, 1748, 1970, 2185, 3496, 3743, 3940, 4370, 4531, 7486, 7880, 8740, 9062, 14972, 17480, 18124, 18715, 22655, 29944, 36248, 37430, 45310, 73757, 74860, 86089, 90620, 147514, 149720, 172178, 181240, 295028, 344356, 368785, 430445, 590056, 688712, 737570, 860890, 1401383, 1475140, 1696411, 1721780, 2802766, 2950280, 3392822, 3443560, 5605532, 6785644, 7006915, 8482055, 11211064, 13571288, 14013830, 14530129, 16964110, 28027660, 29060258, 32231809, 33928220, 56055320, 58120516, 64463618, 67856440, 72650645, 116241032, 128927236, 145301290, 161159045, 257854472, 276072451, 290602580, 322318090, 334192967, 552144902, 581205160, 644636180, 668385934, 1104289804, 1289272360, 1336771868, 1380362255, 1670964835, 2208579608, 2673543736, 2760724510, 3341929670, 5521449020, 6349666373, 6683859340, 11042898040, 12699332746, 13367718680, 25398665492, 31748331865, 50797330984, 63496663730, 126993327460, 253986654920]

約数ペア:

[(1, 253986654920), (2, 126993327460), (4, 63496663730), (5, 50797330984), (8, 31748331865), (10, 25398665492), (19, 13367718680), (20, 12699332746), (23, 11042898040), (38, 6683859340), (40, 6349666373), (46, 5521449020), (76, 3341929670), (92, 2760724510), (95, 2673543736), (115, 2208579608), (152, 1670964835), (184, 1380362255), (190, 1336771868), (197, 1289272360), (230, 1104289804), (380, 668385934), (394, 644636180), (437, 581205160), (460, 552144902), (760, 334192967), (788, 322318090), (874, 290602580), (920, 276072451), (985, 257854472), (1576, 161159045), (1748, 145301290), (1970, 128927236), (2185, 116241032), (3496, 72650645), (3743, 67856440), (3940, 64463618), (4370, 58120516), (4531, 56055320), (7486, 33928220), (7880, 32231809), (8740, 29060258), (9062, 28027660), (14972, 16964110), (17480, 14530129), (18124, 14013830), (18715, 13571288), (22655, 11211064), (29944, 8482055), (36248, 7006915), (37430, 6785644), (45310, 5605532), (73757, 3443560), (74860, 3392822), (86089, 2950280), (90620, 2802766), (147514, 1721780), (149720, 1696411), (172178, 1475140), (181240, 1401383), (295028, 860890), (344356, 737570), (368785, 688712), (430445, 590056)]