421908760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3739}}^1$

素因数の和:3801

約数の個数: 128

約数和(自身を含む): 1206374400

約数和(自身を除く): 784465640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3640, 3739, 4030, 4340, 5642, 7478, 8060, 8680, 11284, 14105, 14956, 16120, 18695, 22568, 26173, 28210, 29912, 37390, 48607, 52346, 56420, 74780, 97214, 104692, 112840, 115909, 130865, 149560, 194428, 209384, 231818, 243035, 261730, 340249, 388856, 463636, 486070, 523460, 579545, 680498, 811363, 927272, 972140, 1046920, 1159090, 1360996, 1506817, 1622726, 1701245, 1944280, 2318180, 2721992, 3013634, 3245452, 3402490, 4056815, 4636360, 6027268, 6490904, 6804980, 7534085, 8113630, 10547719, 12054536, 13609960, 15068170, 16227260, 21095438, 30136340, 32454520, 42190876, 52738595, 60272680, 84381752, 105477190, 210954380, 421908760]

約数ペア:

[(1, 421908760), (2, 210954380), (4, 105477190), (5, 84381752), (7, 60272680), (8, 52738595), (10, 42190876), (13, 32454520), (14, 30136340), (20, 21095438), (26, 16227260), (28, 15068170), (31, 13609960), (35, 12054536), (40, 10547719), (52, 8113630), (56, 7534085), (62, 6804980), (65, 6490904), (70, 6027268), (91, 4636360), (104, 4056815), (124, 3402490), (130, 3245452), (140, 3013634), (155, 2721992), (182, 2318180), (217, 1944280), (248, 1701245), (260, 1622726), (280, 1506817), (310, 1360996), (364, 1159090), (403, 1046920), (434, 972140), (455, 927272), (520, 811363), (620, 680498), (728, 579545), (806, 523460), (868, 486070), (910, 463636), (1085, 388856), (1240, 340249), (1612, 261730), (1736, 243035), (1820, 231818), (2015, 209384), (2170, 194428), (2821, 149560), (3224, 130865), (3640, 115909), (3739, 112840), (4030, 104692), (4340, 97214), (5642, 74780), (7478, 56420), (8060, 52346), (8680, 48607), (11284, 37390), (14105, 29912), (14956, 28210), (16120, 26173), (18695, 22568)]