209933880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5851}}^1$

素因数の和:5901

約数の個数: 128

約数和(自身を含む): 707857920

約数和(自身を除く): 497924040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5851, 5980, 7176, 8970, 11702, 11960, 17553, 17940, 23404, 29255, 35106, 35880, 46808, 58510, 70212, 76063, 87765, 117020, 134573, 140424, 152126, 175530, 228189, 234040, 269146, 304252, 351060, 380315, 403719, 456378, 538292, 608504, 672865, 702120, 760630, 807438, 912756, 1076584, 1140945, 1345730, 1521260, 1614876, 1749449, 1825512, 2018595, 2281890, 2691460, 3042520, 3229752, 3498898, 4037190, 4563780, 5248347, 5382920, 6997796, 8074380, 8747245, 9127560, 10496694, 13995592, 16148760, 17494490, 20993388, 26241735, 34988980, 41986776, 52483470, 69977960, 104966940, 209933880]

約数ペア:

[(1, 209933880), (2, 104966940), (3, 69977960), (4, 52483470), (5, 41986776), (6, 34988980), (8, 26241735), (10, 20993388), (12, 17494490), (13, 16148760), (15, 13995592), (20, 10496694), (23, 9127560), (24, 8747245), (26, 8074380), (30, 6997796), (39, 5382920), (40, 5248347), (46, 4563780), (52, 4037190), (60, 3498898), (65, 3229752), (69, 3042520), (78, 2691460), (92, 2281890), (104, 2018595), (115, 1825512), (120, 1749449), (130, 1614876), (138, 1521260), (156, 1345730), (184, 1140945), (195, 1076584), (230, 912756), (260, 807438), (276, 760630), (299, 702120), (312, 672865), (345, 608504), (390, 538292), (460, 456378), (520, 403719), (552, 380315), (598, 351060), (690, 304252), (780, 269146), (897, 234040), (920, 228189), (1196, 175530), (1380, 152126), (1495, 140424), (1560, 134573), (1794, 117020), (2392, 87765), (2760, 76063), (2990, 70212), (3588, 58510), (4485, 46808), (5851, 35880), (5980, 35106), (7176, 29255), (8970, 23404), (11702, 17940), (11960, 17553)]