188474940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7993}}^1$

素因数の和:8139

約数の個数: 72

約数和(自身を含む): 576143568

約数和(自身を除く): 387668628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 7993, 11790, 15986, 23580, 23979, 31972, 39965, 47958, 71937, 79930, 95916, 119895, 143874, 159860, 239790, 287748, 359685, 479580, 719370, 1047083, 1438740, 2094166, 3141249, 4188332, 5235415, 6282498, 9423747, 10470830, 12564996, 15706245, 18847494, 20941660, 31412490, 37694988, 47118735, 62824980, 94237470, 188474940]

約数ペア:

[(1, 188474940), (2, 94237470), (3, 62824980), (4, 47118735), (5, 37694988), (6, 31412490), (9, 20941660), (10, 18847494), (12, 15706245), (15, 12564996), (18, 10470830), (20, 9423747), (30, 6282498), (36, 5235415), (45, 4188332), (60, 3141249), (90, 2094166), (131, 1438740), (180, 1047083), (262, 719370), (393, 479580), (524, 359685), (655, 287748), (786, 239790), (1179, 159860), (1310, 143874), (1572, 119895), (1965, 95916), (2358, 79930), (2620, 71937), (3930, 47958), (4716, 39965), (5895, 31972), (7860, 23979), (7993, 23580), (11790, 15986)]