306381872680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31010311}}^1$

素因数の和:31010354

約数の個数: 64

約数和(自身を含む): 781459862400

約数和(自身を除く): 475077989720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 31010311, 62020622, 124041244, 155051555, 248082488, 310103110, 403134043, 589195909, 620206220, 806268086, 1178391818, 1240412440, 1612536172, 2015670215, 2356783636, 2945979545, 3225072344, 4031340430, 4713567272, 5891959090, 7659546817, 8062680860, 11783918180, 15319093634, 16125361720, 23567836360, 30638187268, 38297734085, 61276374536, 76595468170, 153190936340, 306381872680]

約数ペア:

[(1, 306381872680), (2, 153190936340), (4, 76595468170), (5, 61276374536), (8, 38297734085), (10, 30638187268), (13, 23567836360), (19, 16125361720), (20, 15319093634), (26, 11783918180), (38, 8062680860), (40, 7659546817), (52, 5891959090), (65, 4713567272), (76, 4031340430), (95, 3225072344), (104, 2945979545), (130, 2356783636), (152, 2015670215), (190, 1612536172), (247, 1240412440), (260, 1178391818), (380, 806268086), (494, 620206220), (520, 589195909), (760, 403134043), (988, 310103110), (1235, 248082488), (1976, 155051555), (2470, 124041244), (4940, 62020622), (9880, 31010311)]