About the Number

388132020

388132019 ← → 388132021

2進数表記:10111001000100110110010110100

漢数字表記:三億八千八百十三万二千二十

素因数分解:

2 2 × 3 3 × 5 1 × 61 1 × 11783 1

素因数の和:11862
約数の個数: 96
約数和(自身を含む): 1227421440
約数和(自身を除く): 839289420

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 732, 915, 1098, 1220, 1647, 1830, 2196, 2745, 3294, 3660, 5490, 6588, 8235, 10980, 11783, 16470, 23566, 32940, 35349, 47132, 58915, 70698, 106047, 117830, 141396, 176745, 212094, 235660, 318141, 353490, 424188, 530235, 636282, 706980, 718763, 1060470, 1272564, 1437526, 1590705, 2120940, 2156289, 2875052, 3181410, 3593815, 4312578, 6362820, 6468867, 7187630, 8625156, 10781445, 12937734, 14375260, 19406601, 21562890, 25875468, 32344335, 38813202, 43125780, 64688670, 77626404, 97033005, 129377340, 194066010, 388132020]

約数ペア:
[(1, 388132020), (2, 194066010), (3, 129377340), (4, 97033005), (5, 77626404), (6, 64688670), (9, 43125780), (10, 38813202), (12, 32344335), (15, 25875468), (18, 21562890), (20, 19406601), (27, 14375260), (30, 12937734), (36, 10781445), (45, 8625156), (54, 7187630), (60, 6468867), (61, 6362820), (90, 4312578), (108, 3593815), (122, 3181410), (135, 2875052), (180, 2156289), (183, 2120940), (244, 1590705), (270, 1437526), (305, 1272564), (366, 1060470), (540, 718763), (549, 706980), (610, 636282), (732, 530235), (915, 424188), (1098, 353490), (1220, 318141), (1647, 235660), (1830, 212094), (2196, 176745), (2745, 141396), (3294, 117830), (3660, 106047), (5490, 70698), (6588, 58915), (8235, 47132), (10980, 35349), (11783, 32940), (16470, 23566)]

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