251230590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{743}}^1$

素因数の和:803

約数の個数: 144

約数和(自身を含む): 748264608

約数和(自身を除く): 497034018

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 289, 306, 390, 442, 510, 578, 585, 663, 743, 765, 867, 1105, 1170, 1326, 1445, 1486, 1530, 1734, 1989, 2210, 2229, 2601, 2890, 3315, 3715, 3757, 3978, 4335, 4458, 5202, 6630, 6687, 7430, 7514, 8670, 9659, 9945, 11145, 11271, 12631, 13005, 13374, 18785, 19318, 19890, 22290, 22542, 25262, 26010, 28977, 33435, 33813, 37570, 37893, 48295, 56355, 57954, 63155, 66870, 67626, 75786, 86931, 96590, 112710, 113679, 126310, 144885, 164203, 169065, 173862, 189465, 214727, 227358, 289770, 328406, 338130, 378930, 429454, 434655, 492609, 568395, 644181, 821015, 869310, 985218, 1073635, 1136790, 1288362, 1477827, 1642030, 1932543, 2147270, 2463045, 2791451, 2955654, 3220905, 3865086, 4926090, 5582902, 6441810, 7389135, 8374353, 9662715, 13957255, 14778270, 16748706, 19325430, 25123059, 27914510, 41871765, 50246118, 83743530, 125615295, 251230590]

約数ペア:

[(1, 251230590), (2, 125615295), (3, 83743530), (5, 50246118), (6, 41871765), (9, 27914510), (10, 25123059), (13, 19325430), (15, 16748706), (17, 14778270), (18, 13957255), (26, 9662715), (30, 8374353), (34, 7389135), (39, 6441810), (45, 5582902), (51, 4926090), (65, 3865086), (78, 3220905), (85, 2955654), (90, 2791451), (102, 2463045), (117, 2147270), (130, 1932543), (153, 1642030), (170, 1477827), (195, 1288362), (221, 1136790), (234, 1073635), (255, 985218), (289, 869310), (306, 821015), (390, 644181), (442, 568395), (510, 492609), (578, 434655), (585, 429454), (663, 378930), (743, 338130), (765, 328406), (867, 289770), (1105, 227358), (1170, 214727), (1326, 189465), (1445, 173862), (1486, 169065), (1530, 164203), (1734, 144885), (1989, 126310), (2210, 113679), (2229, 112710), (2601, 96590), (2890, 86931), (3315, 75786), (3715, 67626), (3757, 66870), (3978, 63155), (4335, 57954), (4458, 56355), (5202, 48295), (6630, 37893), (6687, 37570), (7430, 33813), (7514, 33435), (8670, 28977), (9659, 26010), (9945, 25262), (11145, 22542), (11271, 22290), (12631, 19890), (13005, 19318), (13374, 18785)]