About the Number

2131797450

2131797449 ← → 2131797451

2進数表記:1111111000100001010010111001010

漢数字表記:二十一億三千百七十九万七千四百五十

素因数分解:

2 1 × 3 1 × 5 2 × 17 1 × 199 1 × 4201 1

素因数の和:4432
約数の個数: 96
約数和(自身を含む): 5627318400
約数和(自身を除く): 3495520950

約数列:
[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 199, 255, 398, 425, 510, 597, 850, 995, 1194, 1275, 1990, 2550, 2985, 3383, 4201, 4975, 5970, 6766, 8402, 9950, 10149, 12603, 14925, 16915, 20298, 21005, 25206, 29850, 33830, 42010, 50745, 63015, 71417, 84575, 101490, 105025, 126030, 142834, 169150, 210050, 214251, 253725, 315075, 357085, 428502, 507450, 630150, 714170, 835999, 1071255, 1671998, 1785425, 2142510, 2507997, 3570850, 4179995, 5015994, 5356275, 8359990, 10712550, 12539985, 14211983, 20899975, 25079970, 28423966, 41799950, 42635949, 62699925, 71059915, 85271898, 125399850, 142119830, 213179745, 355299575, 426359490, 710599150, 1065898725, 2131797450]

約数ペア:
[(1, 2131797450), (2, 1065898725), (3, 710599150), (5, 426359490), (6, 355299575), (10, 213179745), (15, 142119830), (17, 125399850), (25, 85271898), (30, 71059915), (34, 62699925), (50, 42635949), (51, 41799950), (75, 28423966), (85, 25079970), (102, 20899975), (150, 14211983), (170, 12539985), (199, 10712550), (255, 8359990), (398, 5356275), (425, 5015994), (510, 4179995), (597, 3570850), (850, 2507997), (995, 2142510), (1194, 1785425), (1275, 1671998), (1990, 1071255), (2550, 835999), (2985, 714170), (3383, 630150), (4201, 507450), (4975, 428502), (5970, 357085), (6766, 315075), (8402, 253725), (9950, 214251), (10149, 210050), (12603, 169150), (14925, 142834), (16915, 126030), (20298, 105025), (21005, 101490), (25206, 84575), (29850, 71417), (33830, 63015), (42010, 50745)]

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