249888967640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3821}}^1\times {\mathrm{4057}}^1$

素因数の和:7933

約数の個数: 128

約数和(自身を含む): 625350136320

約数和(自身を除く): 375461168680

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, 3821, 4030, 4057, 7642, 8060, 8114, 15284, 16120, 16228, 19105, 20285, 30568, 32456, 38210, 40570, 49673, 52741, 76420, 81140, 99346, 105482, 118451, 125767, 152840, 162280, 198692, 210964, 236902, 248365, 251534, 263705, 397384, 421928, 473804, 496730, 503068, 527410, 592255, 628835, 947608, 993460, 1006136, 1054820, 1184510, 1257670, 1539863, 1634971, 1986920, 2109640, 2369020, 2515340, 3079726, 3269942, 4738040, 5030680, 6159452, 6539884, 7699315, 8174855, 12318904, 13079768, 15398630, 15501797, 16349710, 30797260, 31003594, 32699420, 61594520, 62007188, 65398840, 77508985, 124014376, 155017970, 201523361, 310035940, 403046722, 480555707, 620071880, 806093444, 961111414, 1007616805, 1612186888, 1922222828, 2015233610, 2402778535, 3844445656, 4030467220, 4805557070, 6247224191, 8060934440, 9611114140, 12494448382, 19222228280, 24988896764, 31236120955, 49977793528, 62472241910, 124944483820, 249888967640]

約数ペア:

[(1, 249888967640), (2, 124944483820), (4, 62472241910), (5, 49977793528), (8, 31236120955), (10, 24988896764), (13, 19222228280), (20, 12494448382), (26, 9611114140), (31, 8060934440), (40, 6247224191), (52, 4805557070), (62, 4030467220), (65, 3844445656), (104, 2402778535), (124, 2015233610), (130, 1922222828), (155, 1612186888), (248, 1007616805), (260, 961111414), (310, 806093444), (403, 620071880), (520, 480555707), (620, 403046722), (806, 310035940), (1240, 201523361), (1612, 155017970), (2015, 124014376), (3224, 77508985), (3821, 65398840), (4030, 62007188), (4057, 61594520), (7642, 32699420), (8060, 31003594), (8114, 30797260), (15284, 16349710), (16120, 15501797), (16228, 15398630), (19105, 13079768), (20285, 12318904), (30568, 8174855), (32456, 7699315), (38210, 6539884), (40570, 6159452), (49673, 5030680), (52741, 4738040), (76420, 3269942), (81140, 3079726), (99346, 2515340), (105482, 2369020), (118451, 2109640), (125767, 1986920), (152840, 1634971), (162280, 1539863), (198692, 1257670), (210964, 1184510), (236902, 1054820), (248365, 1006136), (251534, 993460), (263705, 947608), (397384, 628835), (421928, 592255), (473804, 527410), (496730, 503068)]