1998636900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{797}}^1$

素因数の和:1470

約数の個数: 144

約数和(自身を含む): 6245058624

約数和(自身を除く): 4246421724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 643, 650, 780, 797, 975, 1286, 1300, 1594, 1929, 1950, 2391, 2572, 3188, 3215, 3858, 3900, 3985, 4782, 6430, 7716, 7970, 8359, 9564, 9645, 10361, 11955, 12860, 15940, 16075, 16718, 19290, 19925, 20722, 23910, 25077, 31083, 32150, 33436, 38580, 39850, 41444, 41795, 47820, 48225, 50154, 51805, 59775, 62166, 64300, 79700, 83590, 96450, 100308, 103610, 119550, 124332, 125385, 155415, 167180, 192900, 207220, 208975, 239100, 250770, 259025, 310830, 417950, 501540, 512471, 518050, 621660, 626925, 777075, 835900, 1024942, 1036100, 1253850, 1537413, 1554150, 2049884, 2507700, 2562355, 3074826, 3108300, 5124710, 6149652, 6662123, 7687065, 10249420, 12811775, 13324246, 15374130, 19986369, 25623550, 26648492, 30748260, 33310615, 38435325, 39972738, 51247100, 66621230, 76870650, 79945476, 99931845, 133242460, 153741300, 166553075, 199863690, 333106150, 399727380, 499659225, 666212300, 999318450, 1998636900]

約数ペア:

[(1, 1998636900), (2, 999318450), (3, 666212300), (4, 499659225), (5, 399727380), (6, 333106150), (10, 199863690), (12, 166553075), (13, 153741300), (15, 133242460), (20, 99931845), (25, 79945476), (26, 76870650), (30, 66621230), (39, 51247100), (50, 39972738), (52, 38435325), (60, 33310615), (65, 30748260), (75, 26648492), (78, 25623550), (100, 19986369), (130, 15374130), (150, 13324246), (156, 12811775), (195, 10249420), (260, 7687065), (300, 6662123), (325, 6149652), (390, 5124710), (643, 3108300), (650, 3074826), (780, 2562355), (797, 2507700), (975, 2049884), (1286, 1554150), (1300, 1537413), (1594, 1253850), (1929, 1036100), (1950, 1024942), (2391, 835900), (2572, 777075), (3188, 626925), (3215, 621660), (3858, 518050), (3900, 512471), (3985, 501540), (4782, 417950), (6430, 310830), (7716, 259025), (7970, 250770), (8359, 239100), (9564, 208975), (9645, 207220), (10361, 192900), (11955, 167180), (12860, 155415), (15940, 125385), (16075, 124332), (16718, 119550), (19290, 103610), (19925, 100308), (20722, 96450), (23910, 83590), (25077, 79700), (31083, 64300), (32150, 62166), (33436, 59775), (38580, 51805), (39850, 50154), (41444, 48225), (41795, 47820)]