212597970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 580898304

約数和(自身を除く): 368300334

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 137, 138, 173, 195, 230, 274, 299, 345, 346, 390, 411, 519, 598, 685, 690, 822, 865, 897, 1038, 1370, 1495, 1730, 1781, 1794, 2055, 2249, 2595, 2990, 3151, 3562, 3979, 4110, 4485, 4498, 5190, 5343, 6302, 6747, 7958, 8905, 8970, 9453, 10686, 11245, 11937, 13494, 15755, 17810, 18906, 19895, 22490, 23701, 23874, 26715, 31510, 33735, 39790, 40963, 47265, 47402, 51727, 53430, 59685, 67470, 71103, 81926, 94530, 103454, 118505, 119370, 122889, 142206, 155181, 204815, 237010, 245778, 258635, 308113, 310362, 355515, 409630, 517270, 545123, 614445, 616226, 711030, 775905, 924339, 1090246, 1228890, 1540565, 1551810, 1635369, 1848678, 2725615, 3081130, 3270738, 4621695, 5451230, 7086599, 8176845, 9243390, 14173198, 16353690, 21259797, 35432995, 42519594, 70865990, 106298985, 212597970]

約数ペア:

[(1, 212597970), (2, 106298985), (3, 70865990), (5, 42519594), (6, 35432995), (10, 21259797), (13, 16353690), (15, 14173198), (23, 9243390), (26, 8176845), (30, 7086599), (39, 5451230), (46, 4621695), (65, 3270738), (69, 3081130), (78, 2725615), (115, 1848678), (130, 1635369), (137, 1551810), (138, 1540565), (173, 1228890), (195, 1090246), (230, 924339), (274, 775905), (299, 711030), (345, 616226), (346, 614445), (390, 545123), (411, 517270), (519, 409630), (598, 355515), (685, 310362), (690, 308113), (822, 258635), (865, 245778), (897, 237010), (1038, 204815), (1370, 155181), (1495, 142206), (1730, 122889), (1781, 119370), (1794, 118505), (2055, 103454), (2249, 94530), (2595, 81926), (2990, 71103), (3151, 67470), (3562, 59685), (3979, 53430), (4110, 51727), (4485, 47402), (4498, 47265), (5190, 40963), (5343, 39790), (6302, 33735), (6747, 31510), (7958, 26715), (8905, 23874), (8970, 23701), (9453, 22490), (10686, 19895), (11245, 18906), (11937, 17810), (13494, 15755)]